10x+20y=90 and 30x+25y=180 represents the situation.
Step-by-step explanation:
Given,
Larry bought = 10 steaks and 20 chickens
Larry spent = $90
Tyrik bought = 30 steaks and 25 chickens
Tyrik spent = $180
Let,
x be the cost of one steak.
y be the cost of one chicken.
According to given statement;
10x+20y=90
30x+25y=180
10x+20y=90 and 30x+25y=180 represents the situation.
Keywords: linear equations, addition
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first divide 14 by 3.5 you will get (2.25+x= 4) then subtract 2.25 from 4 as (x=4-2.25) and the answer will be 1.75
Answer:
d. 15, 30, 135
Step-by-step explanation:
A triangle's interior angles on a flat surface add up to 180 degrees.
a. 90 * 3 = 270 != 180
b.(80 * 2) + 200 = 360 != 180
c.40 + 50 + 60 = 160 != 180
d.15 + 30 + 135 = 45 + 135 = 180, so it has to be d.
