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Sagot :
Answer:
hey
Step-by-step explanation:
Let x = the cost of one large pizza
Let y = the cost of one small drink
3x + y = 21.96
-(6x + y = 27.93)
-3x = -5.97
x = $1.99
3(1.99) + y = 21.96
5.97 + y = 21.96
y = $15.99
So, 1 large pizza and 8 small drinks would cost 15.99 + 8(1.99) = $31.91
-God
Answer:
Step-by-step explanation:
"1 pizza and 2 drinks cost $19.97"
p + 2d = 19.97
"1 pizza and 4 drinks cost $27.95"
p + 4d = 27.95
2d = 27.95-19.97 = 7.98
d = 3.99
p = 19.97 - 2d = 11.99
"cost y (in dollars) for 1 pizza and any number of drinks x."
y = 11.99 + 3.99x
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