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A problem states that Ursula earns $9 per hour. To write an expression that tells how much money Ursula earns h hours, Joshua wrote (fraction) 9/h. Sarah wrote 9h. Whose expression is correct and why?
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A problem states that Ursula earns $9 per hour. To write an expression that tells how much money Ursula earns h hours, Joshua wrote (fraction) 9/h. Sarah wrote 9h. Whose expression is correct and why?

User Dimirsen Z
by
8.4k points

2 Answers

3 votes
Sarah, because it tells how much money she earns each hour.
User Amit Rastogi
by
8.6k points
4 votes
$9 per hour
the answer is 9h because if you tried to find out how much she earns after 10 hours you would do 9*10=90 not the other one
User Gino Mempin
by
8.2k points
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