Gigi earned $65 for 5 hours of gardening. She earned $90 for 9 hours of office work. Which statement correctly compares Gigi’s e
arning per hour for gardening and office work? a. She earned $3 more per hour for office work than for gardening.
b. She earned $4 more per hour for office work than for gardening.
c. She earned $3 more per hour for gardening than for office work.
d. She earned $4 more per hour for gardening than for office work.
Add 2.2 to each side so 0.3z = 5.2 - 0.5z -0.8z add 0.5z to each side so 0.8z = 5.2 - 0.8z add 0.8z to each side so 1.4z = 5.2 divide each side by 1.4 so z = 3.71428571