The Candy Store held a raffle, and Matt won the grand prize. He won a gift card to the store, as well as a bag of giant lollipops. He gave 21 lollipops to his friends, and he kept the remaining 7 lollipops. Which equation can be solved for n to find the total number of lollipops in the bag?

A) n / 21 = 7
B) n - 21 = 7
C) n + 21 = 7
D) 21n = 7

B) n - 21 = 7

Step-by-step explanation:

Matt started with lollipops, and gave 21 away and was left with 7.

This gives us the equation .

you can't solve x because it is 2 linear equation and you only have one equation

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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