Mathematics
nirmalkar
2015-11-18 15:41:57
Rachel and Tarah buy a pizza that is cut into 8 equal pieces. If Rachel eats 1/8 of the pizza and Tarah eats 1/4 of the pizza, how many eighths of the pizza are left?
ANSWERS
rose123
2015-11-18 17:24:57

Convert 1/4 into 8ths. To do this, multiply the top and bottom by 2. 1/4 = 2/8. Now you add the piece Rachel ate to get 3/8. You want to know how much is left so subtract 3/8 from 8/8. 8-3=5. There are 5/8 of the pizza left.

Wolffe758
2015-11-18 17:26:12

we want to find it in eighths convert to eitghts 1/4 times 2/2=2/8 at first there are 8/8 pizza then 1/8 is eaten then 2/8 is eaten 8/8-1/8-2/8=7/8-2/8=5/8 5 eighths of the pizza are left

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