Kevin is paid $8.80 per hour. He worked 7 hours. He gave his mother 1/4 of his earnings. How much did he have left over?

2 answers:

5 0

Answer:

$46.20

Step-by-step explanation:

His earnings: 8.8*7 = 61.6

He gave away 1/4, so he has 3/4 left

3/4*61.6=46.2

dusya [7]2 years ago

4 0

Answer:

$46.2

Step-by-step explanation:

If kevin is paid $8.80 per hour and he worked 7 hours, we need to multiply the hourly pay by the number of hours worked:

$8.80(7) = $61.6

In total I earn the amount of $61.6.

He gave 1/4 of this earnings ti his mother.

1/4 of $61.6 is:

$\frac{61.6}{4} =15.4$

so he gave $15.4 to his mother.

what he has left is the subtraction of what he earned and what he gave his mother:

$61.6 - $15.4 = $46.2

He has $46.2 left

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natta225 [31]

Answer:

$\displaystyle V = 2144.66 \ ft^3$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Geometry

Volume of a Sphere Formula: $\displaystyle V = \frac{4}{3} \pi r^3$

Step-by-step explanation:

Step 1: Define

Identify variables

r = 8 ft

Step 2: Find Volume

Substitute in variables [Volume of a Sphere Formula]: $\displaystyle V = \frac{4}{3} \pi (8 \ ft)^3$
Evaluate exponents: $\displaystyle V = \frac{4}{3} \pi (512\ ft^3)$
Multiply: $\displaystyle V = \frac{2048}{3} \pi \ ft^3$
Estimate: $\displaystyle V = 2144.66 \ ft^3$