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andreyandreev [35.5K]
3 years ago
12

Amy is six years younger than Melody. Two years ago, Melody was three times as old as Amy. How old is Amy now?

Mathematics
2 answers:
Eduardwww [97]3 years ago
8 0

Answer:

14

Step-by-step explanation:

two years ago she was 4 and he is 3 times as old as her which is 12 add the 2 years ago now she is 14

Ugo [173]3 years ago
5 0

Answer:

Amy is 14 years old now.

Step-by-step explanation:

This one is a bit wordy, but try to break down the word problem.

Amy is six years younger than Melody. Two years ago, Melody was three times as old as Amy.

So, Melody was 6(3)+2. Melody was 18 two years ago, so add 2 to that number. Subtract the answer (which is 20) by 6. Therefore, Amy is 14.

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3 years ago
The dishwasher Marlin wants costs $720. This week only, the dishwasher is discounted by 25%. Marlin must pay 6% sales tax. Which
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Answer:

C, both methods save the same amount of money

Step-by-step explanation:

First, we need to calculate what each answer choice will equal.

For A, it asks us to add the sales tax and then take the discount off. So, to find out what the sales tax is equal to, we multiply 720 x 0.06 (because 6% is equal to 0.06).

720 x 0.06 = 43.2

Add the sales tax to the original amount and you get 763.2.

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