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aalyn [17]
3 years ago
12

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?

Mathematics
2 answers:
Colt1911 [192]3 years ago
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]3 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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7 0
3 years ago
Question 1 (1 point)
olya-2409 [2.1K]

For this case we can propose a system of equations:

x: Let the variable that represents the number of small cookies

y: Let the variable that represents the number of large cookies

According to the statement we have:

x + y = 130\\2x + 3y = 310

We multiply the first equation by -2:

-2x-2y = -260

We have the following equivalent system:

-2x-2y = -260\\2x + 3y = 310

We add the equations:

-2x + 2x-2y + 3y = -260 + 310\\y = 50

We look for the value of the variable "x":

x = 130-y\\x = 130-50\\x = 80

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3 years ago
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