A. The speed of train A is 6mph slower than the speed of train B. Train A travels 220 miles in the same time it takes for train B to travel 250 miles find the speed of each train
solve and check:
q+9/3 + 9-4/4 = 13/3
simplify by removing factors of 1 :
7y-14/7y
add:
x+6/x + x/x+6
Hat sizes are determined by measuring the circumference of the head in either inches of centimeters. Use ratios and proportion to complete the table
Hat size Head circ. head circ.
in in. in cm.
7 1/2 23 3/5 60
? ? 59
1 answer