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frez [133]
4 years ago
15

Irene tutors fellow students to earn spending money. A designer purse she wants to buy is $170. She has already earned and set a

side $51 for the purse. If she charges $17 per hour of tutoring, how many hours (h) must she tutor to have at least enough money to buy the purse? A. h > 10 B. h > 7 C. h > 3 D. h > 13 Irene tutors fellow students to earn spending money. A designer purse she wants to buy is $170. She has already earned and set aside $51 for the purse. If she charges $17 per hour of tutoring, how many hours (h) must she tutor to have at least enough money to buy the purse?
A.
h > 10
B.
h > 7
C.
h > 3
D.
h > 13
Mathematics
2 answers:
Yuri [45]4 years ago
7 0
The answer would be C.
netineya [11]4 years ago
4 0

Answer:

Read bottom

Step-by-step explanation:

Lets use this equation:

51 + 17h = 170

-51            -51

17h = 119

/17      /17

h = 7

I'm not exactly sure if you were meaning to put ≥, because then B would be correct, but if not, then it would be C

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Identify the percent of change as an increase or a decrease. 12 inches to 36 inches Increase Decrease Find the percent of change
kakasveta [241]

Answer: 200% increase

Step-by-step explanation:

Being an increase from 12inches to 36inches, we will calculate the percentage increase.

%increase = final length -initial length/initial length × 100%

Initial length = 12inches

Final length = 36inches

%increase = 36-12/12 × 100%

%increase = 24/12 × 100%

%increase = 200%

7 0
3 years ago
The table above represents what type of function ?
Tatiana [17]

Answer:

A because when the points are plotted they make a straight line.

3 0
4 years ago
Read 2 more answers
a restaurant has an all-you-can-eat buffet. They charge $13.95 per person. what is the constant of proportionality?​
Evgen [1.6K]

Answer:

staurant has an all-you-can-eat buffet. They charge $13.95 per person. what is the constant of proportionality?​

Step-by-step explanation:

3 0
4 years ago
In a certain month, Oscar sells 6 cars more than Jackie. If together they sell 30 cars, how many cars did Jackie sell?
diamong [38]

Answer:

Jackie sold 12 cars.

Step-by-step explanation:

If we call the number of cars Oscar sold O, and the number of cars Jackie sold J, we can say the following:

O = J + 6

As Oscar sold 6 cars more than Jackie.

Together, they sold 30 cars.

O + J = 30

Since we know that:

O = J + 6

... we can put this into our previous equation.

O + J = 30

(J + 6) + J = 30

J + J + 6 = 30

2 * J + 6 = 30

Subtract 6 from both sides:

2 * J = 24

Divide both sides by 2:

J = 24 / 2

J = 12

Jackie sold 12 cars.

8 0
3 years ago
Read 2 more answers
Mario vende dos autos a 30 000 dólares cada uno. En la venta de uno ganó el 20% y en la
Mariana [72]

Answer:

Mario perdió dinero, perdió 2500 dólares

Step-by-step explanation:

En el primer caso, Mario está vendiendo su carro en 30 000 dólares. En otras palabras, el precio de venta es 30 000. Te dice que en el primer carro ganó 20%, o sea que su precio de venta es una incógnita que llamaremos x y gano 20% de x. Podemos expresarlo de esta manera

x = precio de compra carro 1

x + (20% de x) = 30 000

x = 100 % de x

(100% de x) + (20% de x) = 30 000

120% de x =30 000

120% = 1.2

1.2x = 30 000

x = 25 000

El segundo caso es bastante parecido. Te indica que el precio de venta sigue siendo el mismo, pero el precio de compra es diferente. El precio de venta sigue siendo 30 000, pero el precio de compra del segundo carro esta vez será "y". En este caso, pierde 20% del precio de compra, o osea, pierde 20% de y. Se puede expresar de la siguiente manera:

y = precio de compra carro 2

y - (20% de y) = 30 000

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Entonces tenemos que el precio de compra del carro uno es 25 000 dólares y el precio de compra del carro dos es de 37 500. Si sumamos ambas cantidades, tenemos que ambos carros costaron 62 500 dólares. Como vendió esos dos autos a 30 000 dólares cada uno, recibió 60 000 dólares. El precio por el que vendió los autos (60 000) es menor al precio del que los compro (62 500), por lo que eso representa una perdida.

Para hallar la cantidad que ganó o perdió (en este caso perdió) debes restar el precio de venta menos el precio de compra.

60 000 - 62 500 = -2 500

Como es un número negativo, representa una perdida.

6 0
3 years ago
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