The farina family spent a week at the state park. Christine hiked the evergreen trail twice and the yellow river trail once. Brian hike each of the longest trails once. How many more miles did brian hike than chirstine

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

answer: 94

step-by-step explanation: 79+91+92+94+94 = 450 divided by 5 (since there are 5 number that are being added) = 90

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72