3 years ago

Anna charges $8.50 per hour to babysit. How much will she earn in 3,3 1/2,4 hours?

1 answer:

3 0

In 3 hours she will earn $25.50 because I just multiplied the amount of hours to amount of money. For the next one do 31 x 8.50 and you get the amount.

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3 years ago

Write the prime factorization for 168

11Alexandr11 [23.1K]

$168|2\\.\ 84|2\\.\ 42|2\\.\ 21|3\\.\ \ 7|7\\.\ \ 1|\\\\168=2\cdot2\cdot2\cdot3\cdot7$

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3 years ago

Estimated the sum. 523+295

Ghella [55]

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Find the value of the expression 3x for the following values of x when x = 10

ElenaW [278]

Answer:

A) 30

Step-by-step explanation:

3*10=30

A 30

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3 years ago

A money box contains only 10-cent and 20-cent coins. There are 34 coins with a total value of $5.40. How many coins of each

kow [346]

10x+20y=540
x+y=34
y=34-x

Plug in (34-x) for y:
10x+20(34-x)=540
10x+680-20x=540
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10x=140
x=14

There were 14 ten cent coins and 20 20 cent coins

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3 years ago