Write y = kx for a steady rate
Grade 7 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.
Ren bikes 12 miles each hour. Let h be hours and d be miles. What equation gives d from h? What equation gives h from d?
Kira's circle fills 3/4 gallon each minute. Let u be minutes and g be gallons. What equation gives g from u? What equation gives u from g?
Noah walks 3 miles each hour, with snack stops not counted. Let u be minutes and d be miles. What equation gives d for any u?
Pia jogs 6 miles each hour around the track. Let u be minutes and d be miles. What equation gives d for any u?
Esme hikes a trail. Which equation shows miles d as proportional to hours h?
- d = 4h + 2
- d = h × h
- d = 4h
- d = h + 4
Zee's circle fills a bucket. Which equation shows gallons g as proportional to minutes u?
- g = 5u + 3
- g = 5u
- g = u × u
- g = u + 5
Noah bikes by the rule d = 12h, where h is hours and d is miles. How many hours does it take to bike 30 miles?
Milo's recipe follows c = 3f ÷ 4, where f is cups of flour and c is cups of sugar. How many cups of flour go with 15 cups of sugar?
Jun's printer follows y = 5x ÷ 2, where x is minutes and y is pages. How many minutes does it take to print 20 pages?
Ari bikes 5/2 miles in 1/4 hour at a steady speed. Let h be hours and d be miles. What equation gives d for any h?