akornegay2
12.12.2020 •
Mathematics
Barney and Robin went shopping at H&M the store was having a sale on all shirts and pants. Barney spent $70 on 3 shirts and 2 pants and Robin bought 1 shirt and 4 pairs of pants for $90. (assume there is not sales tax). Write an equation to describe the total sent by Barney in the terms of the numbers of shirts and pants purchased. Let x be the price of a shirt and y be the price of a pair of pants.
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Ответ:
barney Robin
70=3x+2y 1x+4y=90
if needed the shirts cost 10$ and the pants cost 20$ each
Ответ:
A = 100(1 + 0.005)^240
A = 100(1.005)^240
A = 100(3.3102)
A = 331.02 or A