SOLUTION: Kyle spent $4.95 to buy 15 stamps in .25 and.40 denominations. How many of each kind of stamp did he buy?
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Question 181596This question is from textbook algebra structure & method book1
: Kyle spent $4.95 to buy 15 stamps in .25 and.40 denominations. How many of each kind of stamp did he buy?
This question is from textbook algebra structure & method book1
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= number of .25 stamps
= number of .40 stamps
given:
(1)
(2)
Multiply both sides of (1) by
and subtract (2) from (1)
(1)
(2)
and, since
(1)
He bought .25 stamps and .40 stamps
check:
(2)
(2)
OK
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