There are 20 bicycles and 10 cars parked in the parking lot. Each bicycle had two wheels and each car had four wheels. How many wheels are there in total?
wheels

80 wheels

Step-by-step explanation:

20 x 2 = 40, 40 bycicle wheels.

10 x 4 = 40. 40 car wheels.

40+40 = 80

80 wheels total

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450

step-by-step explanation:

you divide the denominator by the numerator on both sides and if the quotients are equal then the fractions are equivalent