Tameeka J.
asked 07/23/21
a wallet contains 43 notes, all of which are either $10 or $20 notes, if it amounts to $700, how many $10 notes are there
Raymond B.
answered 07/25/21
Math, microeconomics or criminal justice
x+y = 43
10x+20y =700
10x +10y=430
10y =270
y = 27 $20 notes
x = 43-27 = 16 $10 notes
20(27) + 16(10) = 540+160=700
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