Answer:
The width is 75.
Step-by-step explanation:
Since we already know that perimeter = width + length, then all we needed to do was subtract the length (15) from the perimeter (90) to get the width (75)!
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Answer: w=30
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Answer: $53
Step-by-step explanation:
Given: Earning of Arthur in three weeks = $136
Let x be the money he earn in one more week.
If he needs at least $189 to buy the new coat that he wants for school.
Then it gives the inequality
Subtract 136 from both sides of the inequality, we get
Hence, Arthur must earn $ 53 in the next week.