Not enough information.
You've got one equation with two variables. There are an infinite number of answers.
Any pair of numbers works, just as long as b is 4 times the size of a .
Answer:
-8 and 2
Step-by-step explanation:
Answer:
32
Step-by-step explanation:
31.54 = 32
Answer: $20
Sandy had 138 dollars to spend on 6 books. After buying them she had 18 dollars. How much did each book cost? 20 dollars.
Answer:
18 and 20, 4
Step-by-step explanation:
Math reasoning 1:
Set the first number as x and the other one as x+2 because it is a consecutive even number.
x+x+2=38
2x=36
x=18
18+2=20
The 2 consecutive numbers are 18 and 20
Problem solving 1:
Write out equation first, set the unknown number as x
5+x=9
x=4
