Answer:
114
Step-by-step explanation:
break apart the shape into 2 smaller shapes and you'll get 15 and 4 for the 1st shape multiply them and you'll get 60. Then for the second shape you'll get 6 and 9 multiply them and you'll get 54. Last add them together and you get 114. (Sorry if I get it wrong)
For it to double in value it would take 13 years and 4 months
Go to photo math or cy math it will tell you the answer straight up
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Multiply sides by ( x - 2 )
Simplification
Subtract sides 7x
Simplification
Negatives simpliflies
Divide sides by 4
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