so what you would do is 20 x 12 and see what you get and the subtract it from 900 and then see what number would take you to 900
Answer:
Answer Expert Verified
We are given that there is a 20% sale in the store. Moreover, the sale price of an item is p - 0.2p, where p is the price of the item. So, we get that, p - 0.2p is equivalent to 0.8p
Answer:
$ 67.15 tax
Step-by-step explanation:
the tax would be 7.9% of 850
turn ur percent to a decimal....and " of " means multiply
0.079 * 850 = 67.15 <==
9x+ 5y=35
2x + 5y=0 |* -1
9x +5y= 35
-2x -5y= 0
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7x / = 35
x=35:7
x=5
2x+5y=0
2*5+5y=0
10+5y=0
5y=-10
y= -10:5
y=-2