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Every 5 red cars there are 3 blue cars
so if there are 40 red cars there are going to be 24 blue cars
Answer:
10 degrees
Step-by-step explanation:
take 180-170
and then 10 is your answer
you only need to try to get to 180
Answer:
30 revolutions
Step-by-step explanation:
to calculate the revolution of the wheels in 66 metres we need to get the circumference
circumference = 2πr, r = radius (diameter divided by 2) but from the formula of circumference we ca rewrite it as πd= 3.14 x 70 = 219.8cm
next convert 66 metres to cm
100cm = 1m
x= 66m
cross multiply
x= 66m x100cm/1m= 6600cm
revolutions in 66metres = 6600cm/219.8cm = 30.0272975 ≅30 revolutions
