3 years ago

A painter earns $15 per hour.What is the minimum number of hours he must work to earn at least $200?

Mathematics

1 answer:

umka21 [38]3 years ago

4 0

Let's represent h with the number of hours:

15h ≥ 200

h ≥ 200/15

h ≥ 40/3

h ≥ 13 1/3

He has to work at least 13 1/3 hours.

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Tony is 1 2 of a mile ahead of Laura on a jogging path. If Tony is running at 5 miles per hour, and Laura is running at 7 miles

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Rachel runs 3.2 miles each week day and 1.5 miles each day of the weekend. how many miles will she have run in six weeks?

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Step-by-step explanation:

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Y+4/12 – y–1/12 = y/2

Andrej [43]

The value of "y" is 3

<h3><u>Solution:</u></h3>

Given that,

$y+\frac{4}{12}-y-\frac{1}{12}=\frac{y}{2}$

We have to solve for "y"

Let us simplify the given expression and solve for"y"

$y+\frac{4}{12}-y-\frac{1}{12}=\frac{y}{2}$

On cross multiplication in L.H.S we get,

$\frac{12 y+4-12 y-1}{12}=\frac{y}{2}$

Cancelling denominator 12 from both sides, we get

12y + 4 -12y - 1 = y

Again cancelling +12y and -12y we get

4 - 1 = y

y = 3

Thus the value of "y" is 3

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