A kangaroo hopped 3{,}5203,5203, comma, 520 yards to the lake with her baby in her pouch. She hopped the remaining 5{,}2805,2805, comma, 280 yards without her baby in her pouch. How many miles did the kangaroo hop to the lake?

Step-by-step explanation:

Let be the total amount of miles that the kangaroo hopped  to the lake.

According to the information given in the exercise, you know the following:

1. The distance the kangaroo hopped with her baby in her pounch is  5,203 yards:

2. The distance the kangaroo hopped without her baby in her pounch is 2,805 yards:

Therefore, in order to calculate the value of   , you only need to add and .

Then, trough this procedure, you get the following result:

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step-by-step explanation:

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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