Marcus earns money from feeding cats and answering emails. He earns $7 a week for each cat he feeds and $0.20 for each email he
answers. Marcus answered 140 emails and earned $49 last week. Part A: Create an equation that will determine the number of cats he fed. (3 points) Part B: Solve this equation justifying each step with an algebraic property of equality. (6 points) Part C: How many cats did Marcus feed last week?
A. 7 times number of cats=pay if pay=49 then 7 times number of cats=49 divide both sides by 7 number of cats=7
da equaton can be c=number of cats 7c=49
he fed 7 cats
B.
7c=49 divide both sides by 7 equality property of division (7c)/7=49/7 math fact (7/7)c=7 1c=7 identity property of division c=7 identity property of multiplication 7 cats
