bridget101 bridget101

28-11-2014
Mathematics

Answered

please help!!!! again

1) A friend is training for a marathon.She can run 4 miles in 28 minutes.Assume that she runs at a constant rate. Write an equation to represent,y,your friend can run in x minutes.
Please help show ALL work

Answer :

Аноним Аноним

28-11-2014

[tex]\frac{y\ miles}{x\ minutes}=\frac{4\ miles}{28\ minutes}\ \ |cross\ multiply\\\\28y=4x\ \ \ \ |divide\ both\ sides\ by\ 28\\\\\boxed{y=\frac{4}{28}x\Rightarrow y=\frac{1}{7}x}[/tex]

Answer Link

Other Questions

How does a nymph grow into a mature adult

Val walks 2 35 miles each day bill runs 10 miles once every 4 days in 4 days who covers the greater distance

how did the Suez Canal help Europeans

what is 4 25 in its equivalent fraction

Millie is reading a book that is written in the thirdperson omniscient point of view How does this point of view affect her experience as a reader She may have

The ancient Egyptians kept pets A Yes B No

Between 1800 and 1830 the National Road and the Erie Canal were built to connect which regions 1 Atlantic Coast and Midwest 2 South and New England 3 Pacific C

The mass of a large car is 1000kg If the car starts from rest and reaches a velocity of 246 meters per second with a constant acceleration in 2 minutes Whats th

Write three different improper fractions that equal 4 12

what did the loyalist believe in