A group of students takes their math teacher out for lunch. If five have hamburgers and four have hotdogs the bull will be 19.50.If four have hamburgers and five have hot dogs the bull wil be 18.75.What is the price of a hamburger and a hot dog?Show all work using systems of equations

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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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