Solve it below:
.

i.+25

ii.+18

iii.-10

Step-by-step explanation:

hope this helps

Answer and step-by-step explanation:

We need to show the increase or decrease in Andre's money by representing it through a number.

i. His uncle gave him $25 as a present

This would be +$25

ii. He earned $18 dollars tutoring

This would be +$18

iii. He spent $10 on a book

This would be -$10

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94