Tell whether the two rates form a proportion 1.) 75 miles in 3 hours; 140 miles in 4 hours
2.) 12 gallons in 4 minutes; 24 gallons in 7 minutes
3.) 150 steps in 50 feet; 72 steps in 24 feet
4.) 3 rotations in 675 days; 2 rotations in 730 days

3.) 150 steps in 50 ft; 72 steps in 24 feet

Step-by-step explanation:

150 ÷50=3

72÷24=3

because they both equal 3, they are porportional

1.) no

2.) no

3.) yes

4.) no

Step-by-step explanation:

(688-684) x 222

You have to do what’s in the parentheses first because of PEMDAS

688-684=4

Then you have to multiply

4x222

=888