Question

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?

Answer 1

28 dollars in emails so 3 cats were fed 7 x 3 =21 and 21 was the other half of money he made i don't know c sry

Answer 2

Part A: 7c + 0.20(140) = $49Part B :  7c + 0.20(140) = $490.2*140 = 287c+28=4949-28=217c=217/7 = 0    7/21=3Part C: C=3 cats fed