
you divide both the top and bottom number by the highest number that can go into both without giving you a decimal . the highest number that can go into both parts of the fraction is 7 . 56/7= 8 and 63/7 = 9 therefore the answer is
Answer:
9.55 minutes
Step-by-step explanation:
x hours to go to the river
0.25-x hours to come back, since 15 minutes is 0.25 hr.
to the river 40 mph * x hours =40x miles
from the river 70 mph (0.25-x) hours=17.5-70x
those two are equal
40x=17.5-70x
110x=17.5
x=17.5/110=0.159 hours
9.55 minutes
Answer:
142 3/8 pounds
Step-by-step explanation:
(45 +7/8) + (42 +3/8) + (54 +1/8) = (45 +42 +54) +(7/8 +3/8 +1/8)
= 141 + (8/8 +3/8)
= 142 3/8 . . . . pounds
Answer:
12 to 6
12:6
Step-by-step explanation: