Answer:
y = 240 cm crawl
x = 120 cm walking
Step-by-step explanation:
Logic....
All you have to do here is combine like terms.
5x + 9x = 14x
.5 - 2.5 = -2
14x - 2
Step-by-step explanation:
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The formula for triangle area is b•h/ 1/2. so you would do 12•5=60. then divide that by 2 to get 30
