To figure out how many revolutions Buddy goes in 1 minute, (60 seconds) we can use proportions
4 revolutions/11 seconds = x revolutions/60 seconds
When we cross multiply, (multiplying one numerator by the other denominator, and vice versa for the other numerator) we get
240 = 11x
divide both sides by 11 to get
21.81 = x
or 21 complete revolutions
1" = 2.5'
2.5'(3.75") = 9.375'
3.75" = 9.375'
For every inch is 2.5ft
1 - 2.5 ft
2 - 5 ft
3 - 7.5 ft
.75' - 0.625 ft
7.5' + 0.625' = 9.375"
3.5*5.5=19.25
The formula to find the area is the length times width
C is identity
B is associative
A is identity
B is communitative
