y = kx
174 = 24k
solve for k
but you don't have to know k to answer the question, since the $/hr rate (k) is constant
y/40 = 174/24
now just solve for y
1. Solve the direct variation
Step 1 – find K
Step 2 – Write the equation
Step 3 – Substitute for x or y
Heather’s weekly pay is directly
proportional to the number of
hours she works at the record
store. Her pay is $174 for 24
hours of work. Find the amount
of pay for 40 hours of work.
1 answer
1 answer