Answer:
e = 250 + 15m
Step-by-step explanation:
The earnings or "e" are determined by the solution of the $250 he's earned from the start and the $15 he earns are dependent on the amount of mattresses he's sold so "m" has to be multiplied by the 15.
1/2 of an hour is = 30
288 / 4.30=67
The answer is 67 miles per hour.
The constant of proportionality represents the unit cost .You use the equation y = 8.5 x to calculate the total cost y in dollars for x in what ever you are buying
Answer:

Step-by-step explanation:

Multiply the numerators for the numerator and multiply the denominators for its denominator and reduce the fraction obtained after multiplication into lowest term.



Or, You can simply reduce the fraction with 2, which results to 1.
Hope I helped!
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Answer:
y+2x=35
so how to get that answer if you divided 35/2= 17.5 so 17 *2= 34 +y= 35
y =1
round it down one number so y can equal 1 then you get 35