Answer:
the possible amounts that he will spend is $29-$15=$14
N= number of books
7.50(n + 0.2)=189
multiply 7.50 by each term in parentheses
(7.50*n) + (7.50*0.2)= 189
7.50n + 1.5= 189
subtract both sides by 1.5
7.50n= 187.50
divide both sides by 7.50
n= 25
ANSWER: She ordered 25 books.
Hope this helps! :)
Step-by-step explanation:
Hope dis helps you......
Answer:
5 times 2 + 7
Step-by-step explanation: