yxdiris yxdiris

21-09-2019
Mathematics

contestada

Alyssa spent half of her allowance going to the movies. She washed the family
car and earned 7 dollars. What is her weekly allowance if she ended with
17 dollars ?

Respuesta :

bradnorris03 bradnorris03

21-09-2019

Answer:

Alyssa's weekly allowance is $20!

Step-by-step explanation:

Read the problem and set up the following equation using X as Alyssa's weekly allowance:

X/2+7=17

1) Subtract 7 from both sides:

X/2=10

2) Multiply both sides by 2:

X=20

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