Answer:
1 3/4 < 1.875
Step-by-step explanation:
Q - r = r
Flip
r = Q - r
Add r to both sides
2r = Q
Divide both sides by 2
r = Q/2
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It would burn down 10.5 inches in 7 hours
Explanation: 6/4=1.5 then you use the 1.5 and multiply it by 7 which gives you 10.5 inches
Equation 1:
2x + y = 25
-Subtract 'y' to both sides (quick note: pretend 'y' is '1')
2x + 1 - 1 = 25 - 1
2x = 24
-Divide '2' to both sides
2x/2 = 24/2
x = 9
Equation 2: 3y - x = 20
-Add 'y' (or 1) to both sides
3y - 1 + 1 = 20 + 1
3y = 21
-Divide '3' to both sides
3y/3 = 21/3
y = 7