This week in your lawn mowing business, you spent $20 on gas and $110 on a secondhand mower. you and your sister made $420 this week (before expenses). you each spent about 10 hours mowing. how much did you make an hour?

rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!