2x-8(-7-x)=6
2x+56+8x=6
10x=-50
x=-5
y=-7-(-5)
y=-2
(-5,-2)
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To do 130% increase you multiply by 1.3 so you do 810 × 1.3 = 1053
Question 1: You just do 400 x 14, and the answer is 5,600.
Question 2: You divide 7,600 by 400, and the answer is 19.
Looks like 7 games scored 73 or 74, 1 scored 75 or 76 and 1 scored 77 or 78, so
Answer: 9 games, second choice