Answer:
-1 if i'm correct.
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
128 and 74.
Step-by-step explanation:
128 rounded to the nearest ten is 130, and 74 rounded to the nearest ten is 70. 130-70=60
Answer: 175 Cents
Step-by-step explanation:
First, 1 quarter is 25 cents. 4 quarters would be 100 cents. If you add the remaining 3 quarters, it would be 175 cents.
Similar triangles so AC:BC=AE:DE
15+6=21 = AE
15:12.5=21:?
to get from 15 to 12.5 you divide by 15 and times by 12.5 so do this the to the other side
21/15=1.4
1.4 x 12.5=17.5
So DE=17.5
