Which of these prices is lower than 5 for $9.00? (A). 3 for $6.00. (B). 8 for $16.00. (C). 6 for $10.00. (D). 10 for $19.00
2 answers:
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Answer:
The correct answer is 9x + 7 y 147 where Ashley works for x hours as lawn mower and y hours as babysitter per week.
Step-by-step explanation:
Ashley works in two different jobs namely mowing lawns and babysitting.
Let Ashley mow lawn for x hours and babysit for y hours in a week.
Ashley's earning for every hour she mow is $ 9. Total earning mowing lawn is $ 9x.
Ashley earns $7 for every hour she babysit. Total earning babysitting is $ 7y.
Total earning per week $ (9x + 7y).
Ashley's earning per week is at least $147.
∴ The required inequality to describe the above case is 9x + 7 y 147.