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Rick and Molly are saving money to buy a nice Christmas present for their mom. Together, Rick and Molly have a
total of $180. Molly has $30 less than twice the amount of money Rick has. How much money does Rick have?
How much money does Molly have?
Let your variables be defined as follows:
= the amount of money Rick has = the amount of money Molly has
a) Choose the linear system that can be used to solve for the amount of money each person has.
A. {+ =180
=30−2 B. {+ =180
−30=2 C. {+ =180
=2−30 D. {+ =180
=2−30
b) Solve the system you chose above. How much money does Rick have? How much money does Molly have?
Write your answers in complete sentences.
Sagot :
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