Professor Malone is grading papers in the teachers' lounge. She has already finished grading 10 assignments, and is grading 9 more assignments per hour. Her teaching assistant just came in to help her. He can grade at a rate of 10 assignments every hour. At some point, they will be finished and will have graded the same number of papers. How many assignments will they each have graded?

send it over

step-by-step explanation:

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

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step-by-step explanation: