Answer:
60 hours
Explanation:
if $250 is for 20hrs, $750 is for x hours (let the number of hours be x)
$250=20hrs
$750=x hrs
then you cross multiply. Which will be represented as
250x= (750x 20)
Divide both sides by 250
X =750x 20/ 250
X = 15000/250
X = 60 hours
Answer: Mrs. Zech would need to work 60 hours to earn $750.
Step-by-step explanation: 250 x 3 = 750, Every 20 hours Mrs. Zech makes $250 therefore 20 x 3 = 60 hours of work.
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