A school raised $4,000 for its new library. 36% of the money is used to buy reference book. How much money is used to buy refere
1 answer:
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Answer:
m =
Step-by-step explanation:
Given
=
( cross- multiply )
6m = 21 ( divide both sides by 6 )
m = =
( = 3.5 in decimal form )
Answer:
Price of each phone:
Price of each accessory:
Step-by-step explanation:
Let be "p" the price in dollars of each phone and "a" the price in dollars of each accessory.
Set up a system of equations:
You can use the Elimination Method to solve the system.
Multiply the second equation by -2 and add both equations:
Substitute the value of "a" into the first equation and solve for "p":