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g100num [7]
3 years ago
6

A box of candy is has a value of $20. The value of the candy and the box are separate, but total $20. The candy alone is worth $

19 more than the box. What is the value of just the box?
Mathematics
2 answers:
bonufazy [111]3 years ago
8 0

Answer:

the box value is  $ 0.5

Step-by-step explanation:

if we don't want to get confused what we can do is 2 equations, one that represents the relationship between the box and the candy, and another that represents the money

x = candy

y = box

x = y + 19

x + y = 20

we replace in the second equation the value of x by (y + 19)

x + y = 20

(y + 19) + y = 20

y +y = 20 - 19

2y = 1

y = 1/2

y = 0.5

we replace in the first equation the value of y by its value

x = y + 19

x = 0.5 + 19

x = 19.5

so the candy value is $ 19.5 and the box value is  $ 0.5

FinnZ [79.3K]3 years ago
7 0

Answer:

one single dollar

Step-by-step explanation:

twenty minus nineteen

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The perimeter of a rectangular window is 324 cm.
padilas [110]

Answer:

76 cm

Step-by-step explanation:

P=2L+2w

324=2(86)+2w

324=172+2w

324-172=2w

2w=152

w=152/2

w=76 cm

4 0
3 years ago
Three friends all have ages that are consecutive integers. The sum of their ages is 48. what is the age of the eldest friend?
Schach [20]

Answer:

C.17 years old

Step-by-step explanation:

consecutive means that they come after each other

17+16+15=48

4 0
2 years ago
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Use a model to divide. 1/2÷7 . What is the answer 2/7 1/14 14 3 1/2?
shutvik [7]

Answer:

1/14 i think

Step-by-step explanation:

7 0
3 years ago
One pound of red grapes cost $2.42 Ella buys worth 0.5 pound how much does she spend on red grapes
Bess [88]

Answer:

1.21

Step-by-step explanation:

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7 0
3 years ago
Find the total in the account with the following facts monthly contributions =$180 employer matching 25% interest rate 4.99% yea
algol13

Answer:

The amount that will be in the account after 38 years is $ 36811,05

Step-by-step explanation:

a)

For resolved this exercise used the next equation

R(1-(1 + i)--) Ap = ... (1)

Ap = Amount in account

R = Paid monthly

i = Monthly interest rate

t = Months for paid

Dates

i=- 2.05% 12 = 0,1708% = 0.0017

The interest is divided for 12 because is annual and the formula is mensual

t = 15yearsx12 = 180 months

             R = 220$

R(1-(1 + i)-) Ap =

220(1-(1 + 0.0017)-180) Ap = 0.0017

162,04 Ap=0.0017

Ap = 95321,855

The amount that will be in the account after 15 years is $ 95,321.85

b)

R(1-(1 + i)--) Ap = ... (1)

Ap = Amount in account

R = Paid monthly

i = Monthly interest rate

t = Months for paid

i=- 4,99% -= 0,415% = 0.0041

The interest is divided for 12 because is annual and the formula is mensual

t = 38yearsx12 = 456 months

             R = 180$

R(1-(1 + i)-) Ap =

Ap = 180(1-(1 + 0.0041) -456 0.0041

Ap = 36811,055

The amount that will be in the account after 38 years is $ 36811,05

4 0
3 years ago
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