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masha68 [24]
3 years ago
7

mark is going to work for his father’s pool cleaning business during the summer. mark’s father will pay him $5 each pool he help

s clean. write an algebraic expression to determine how much mark will earn if he cleans n pools. then evaluate the expression for 15, 25, 35, or 45 pools
Mathematics
1 answer:
vfiekz [6]3 years ago
6 0

Answer:

Algebraic Expression: 5<em>n</em>

a. 5(15) = 75$

b. 5(25) = 125$

c. 5(35) = 175$

d. 5(45) = 225$

Step-by-step explanation:

If <em>n</em> represents the amount of pools Mark has cleaned, and he earns $5 for each pool, then 5n will be the algebraic expression. As <em>n</em> represents the number of pools he has cleaned, we need to <u>plug in</u> the given numbers to get the answer, hence [5(15), 5(25), 5(35), 5(45)]. Multiply $5 by the given numbers to get the amount of money Mark would earn if he cleaned the amount of pools.

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Answer:


Step-by-step explanation: do you have any choices


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the ratio of red marbles to blue marbles in a bag is 3:4. which of the the following is a possible total number of marbles?
Vitek1552 [10]
3:4
6:8
9:12

if u either multiply or divide a number from one side, u must do the same calculation to the other side. hope that helps :)
8 0
2 years ago
Phoebe is concerned that it the error is not fixed, her pay increase wll be less in future
SSSSS [86.1K]

The difference in the pay rate of Phoebe in 5 years will be $11850

<h3>How to calculate the pay? </h3>

Your information is incomplete. Therefore, an overview will be given. Let's assume that the pay rate is $20000. When there is a 5% increase, the new pay rate will be:

= $20000 + (5% × $20000)

= $20000 + $1000

= $21000

When there is $0.75 increase per hour, the new pay rate on 5 years will be:

= (0.75 × 43800)

= $32850

The difference will be:

= $32850 - $21000

= $11850

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3 0
2 years ago
If increasing 50 by x% is equal to the result of decreasing 70 by x%. what is the value of x?
ozzi

Increasing 50 by x% can be written as:

50 + \frac{x}{100} =50+0.01x.................(1)

Decreasing 70 by x % can be represented by the expression:

70 + \frac{x}{100} =70-0.01x...........(2)

Now we are given in the question that if we increase 50 by x% and 70 by x%, then the two values are equal.

so equating (1) and (2) , we get

50 +0.01 x =70 - 0.01x

bringing 0.01x to the left side:

50  +0.01x +0.01x = 70

50  +0.02x = 70

taking 50 to the right side, subtracting it from 70

0.02x = 70-50

0.02x = 20

dividing both sides by 0.02

\frac{0.02x}{0.02}  =\frac{20}{0.02}

Answer x=2000

4 0
3 years ago
What is 77÷5698???????​
nasty-shy [4]

Answer:

0.01351351351

Step-by-step explanation:

ur welcomeeee !!!

=)

4 0
2 years ago
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