What is the value of 8m + 5n when m = 4 and n = 10?

82

Step-by-step explanation:

m = 4

8m = 4 x 8 = 32

n = 10

5n = 5 x 10 = 50

32 + 50 = 82

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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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