SOLUTION: A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. If a scale model of the plane is about 40 cm long, what is the model’s wingspan?

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Question 208192This question is from textbook A Problem Solving Approach to Mathematics for Elementary School Teachers
: A Boeing 747 jet is approximately 230 ft long and has a
wingspan of 195 ft. If a scale model of the plane is about
40 cm long, what is the model’s wingspan?
This question is from textbook A Problem Solving Approach to Mathematics for Elementary School Teachers

Found 3 solutions by checkley77, ankor@dixie-net.com, msteesie:
Answer by checkley77(12569)   (Show Source):
You can put this solution on YOUR website!
40/230=x/195
230x=40*195
230x=7,800
x=7,800/230
x=33.913 ft. for the wingspan.

Answer by ankor@dixie-net.com(15746)   (Show Source):
You can put this solution on YOUR website!
A Boeing 747 jet is approximately 230 ft long and has a
wingspan of 195 ft. If a scale model of the plane is about
40 cm long, what is the model’s wingspan?
:
A ratio equation
=
Cross multiply
230x = 195 * 40
230x = 7800
x =
x = 33.9 cm is the model's wingspan
;
;
Check solution on a calc:
230/195 ~ 1.18
40/33.9 ~ 1.18

Answer by msteesie(1)   (Show Source):
You can put this solution on YOUR website!