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Anastasy [175]
3 years ago
14

Janel has $250 in her bank account and is earning $75 a week babysitting the annoying neighbor kids. April has $720 in her bank

account and spends $35 a week on clothes and shoes. how long will it take for the two to have the same amount of money in their bank accounts? solve using systems of equations.
Mathematics
1 answer:
katen-ka-za [31]3 years ago
6 0

Answer:

Step-by-step explanation:

J = 250 + 75t

A = 720 - 35t

250 + 75t = 720 - 35t

110t = 470

t = 47/11 weeks = 4.3 weeks

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Mary mixes white paint and blue paint in the ratio 2:5.
sukhopar [10]

Answer:Add 44 liters blue

Step-by-step explanation:Mary has 20 liters of paint mixed white:blue in the ratio 2:3.  So two fifths of that paint is white and three fifths is blue.  So that's 8 liters white, 12 liters blue.

We want to add paint to get white:blue = 1:7.  Clearly we need to add blue.  We have our 8 liters of white, so we need a total of 7(8)=56 liters of blue.  We already have 12, so we have to add 56-12=44 liters of blue paint:

6 0
3 years ago
John invested $4,500 at 5.5% annual simple interest. His maturity value of his investment was $5,545. How long did John invest t
mart [117]

John invested the money at simple interest for 4.22 years.

We have,

Invested amount = $ 4500

Rate of interest = 5.5 %

Time = t years

Maturity value = $ 5545

So,

Total interest earned =  $ 5545 - $ 4500 = $ 1045

And,

Simple interest = (Principal × Rate × Time ) / 100

So, Using the mentioned formula,

1045 = ( 4500 × 5.5 × t ) /100

1045 = 45 × 5.5 × t

⇒

t = (1045) / (45 × 5.5)

⇒ t = 4.22 years

Therefore, John invested the money at simple interest for 4.22 years.

Learn more about simple interest here:

brainly.com/question/22621039

#SPJ10                  

6 0
2 years ago
What is the answer to (-2)^3-2^3
ANEK [815]
Approaching algebraicly(Take 2 as x)
(-x)^3-x^3
Simplify
Result is -2x^3
Put back 2
-2(2)^3 = -2(8)
= -16
6 0
3 years ago
A cable is 60 meters long.How long is it in decimeters
Brut [27]

Answer:

600

Step-by-step explanation:

cus

8 0
3 years ago
Read 2 more answers
X Cube - 5x Square - 2 x + 24​
Otrada [13]

Answer:

(x+2)(x-4)(x-3)

(x²-4x+2x-2)(x-3)

(x²-2x-2)(x-3)

=x³-5x²-2x+24

So the answer true

8 0
3 years ago
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