mroueh21
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 pairs of pants and Robin bought 1 shirt and 4 pairs of pants for $90.
a) Write an equation to describe the total spent by Barney in terms of the number of shirts and pants purchased. Let x be the price of a shirt and y be the price of a pair of pants. B: The total cost of Barney's purchase can be represented as 3x+2y=70 R: The total cost of Robins purchase can be represented as x+4y=90
b) Write an equation to describe the total spent by Robin in terms of the number of shirts and pants purchased. Let x be the price of a shirt and y be the price of a pair of pants.
I already did part A but what do I do for part B
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Ответ:
210 is the cost for 3
Step-by-step explanation:
Ответ:
2.5
Step-by-step explanation:
Calculate the scale factor as the ratio of corresponding sides of the image to the original.
here image is 5 and original is 2
scale factor =
= 2.5
scale factor of 0.4 is False
scale factor of 2.5 is True