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Dan earns $42.75 per month working as a tutor. He worked as a tutor for 4 months. He also earned $52.45 walking dogs in the neighborhood. He spent $18.50 of his total earning to buy a movie ticket and candy. Dan put  of the remaining money in his savings account.

Dan used the following steps to find the total money he put in his savings account:

Step 1: [($42.75 ⋅ 4) + $52.45 − $18.50] ⋅ 

Step 2: [$171 + $52.45 − $18.50] ⋅ 

Step 3: 241.95 ⋅ 

Step 4: $80.65

In which step did Dan first make an error? Use words to explain how Dan can correct his error.

 Feb 14, 2022
 #1
avatar+117861 
+1

Does 1 look right?   

is 2 the same as 1?

is 3 the same as 2?

is 4 the same as 3?

 

Where does it go different?

You do not need help with this. There is a calculator on this site if you need to use it.

 Feb 14, 2022

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