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PLEASEEE HELPPP!!!! Its due tonight!!!!

PLEASEEE HELPPP Its Due Tonight class=

Sagot :

Answer:

15

Step-by-step explanation:

Gregory gained 86 dollars in total and he got this money by first getting 11$ and then 5$ for each question he solved correctly, so our equation is

11+5x=86  (x being the number of questions he answered correctly)

11+5x=86 (subtract 11 from both sides)

5x=75 (divide both sides by 5)

x=15

Gregory answered 15 questions correctly