Answer:
Step-by-step explanation:
2x + 10 = 28
Bringing like terms on one side
2x = 28 - 10
2x = 18
x = 18/2 = 9
Answer:
You can buy 3 books 4 x 3 = 12
Step-by-step explanation:
Set up a ratio between the small triangle and the large one.
AD/ AE = AC / AB
(8 + 2)/8 = 10 / x
10/8 = 10/x Cross multiply
10x= 80 Divide by 10
x = 8
Answer 4th one down. <<<<====
Answer:
25
Step-by-step explanation:
12= 0.48x
x=12/0.48
x=25
Answer:30
Step-by-step explanation: Put 30 times 15 into a calulater. Then do 15 times 2 then you find your answer.