dfbernalloboguerrero
06.08.2019 •
Mathematics
Monique has $2.00 in change in her purse. if she has an equal number of nickels, dimes, and quarters, how many of
each does she have?
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Ответ:
Let the number of coins = X
A nickel is 0.05
A dime is 0.10
A quarter is 0.25
Set up an equation to add all the coins together to equal the total she has:
0.05x + 0.10x + 0.25x = 2.00
Simplify:
0.40x = 2.00
Divide both sides by 0.40
x = 2.00 / 0.40
x = 5
Check:
Nickels = 0.50 x 5 = 0.25
Dimes = 0.10 x 5 = 0.50
Quarters = 0.25 x 5 = 1.25
0.25 + 0.50 + 1.25 = 2.00
She has 5 of each coin.
Ответ:
168
Step-by-step explanation:
the angles of a hexagon should add us to 720, subtract all teh given angles from the total and you find x.