Answer:
A
Step-by-step explanation:
16 × 2 = 32
20 × 2 = 40
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6.40x+9.90(154-x)=1230.90
Solve for x
X=84 for child
154-84=70 for adults
Answer:
pretty sure it's 360 :)
Step-by-step explanation:
...
Answer:
-21/32
Step-by-step explanation:
It's easier to do this multiplication mentally if we rewrite the expression as follows:
-3 7 -21
------ * ------ = ---------
4 8 32
12 feet long
1st piece = x
2nd piece = 2x-3
3x-3 =12
3x=15
x = 5
1st piece = 5 feet
2nd piece = 2*5=10-3=7 feet
