0.7t = 1.7+3.2
0.7t = 4.9
0.7t/0.7 = 4.9/0.7
t=7
hope it helps
Answer:
11 years old
Step-by-step explanation:
Maggie's age is x
Maggie's brother = 4x - 7
The sum is 48
x + 4x - 7 = 48
5x - 7 = 48
5x = 55
x = 11
X=2 y= 12+6x, xeR
hope that helps
75 = 3*5*5
90 = 2*3*3*5
Picking out common factors the GCF = 3*5 = 15 (answer).
