turner639237
07.10.2019 •
Mathematics
Allison spent a total of 16.20 for lunch at burrito de lite, including tax and tip. she paid 8 percent sales tax on her purchase and then left the waiter a tip equivalent to 20 percent of her total bill including tax. what was the cost of allison's meal, before tax and the tip?
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Ответ:
Total cost=(x+0.08x)(1.20)=16.20.
1.08×1.20x=16.20, 1.296x=16.20, so x=12.50.
The meal cost 12.50 before tax and tip.
Ответ:
let the number of toys of Kyle be X.
let the number of toys of brain be Y
X + Y = 154(1)
X = y + 34(2)
putting the value of X in equation 1, we get:-
Y+ 34 + Y = 154
2Y + 34 = 154
2Y = 154 - 34
2Y = 120
Y = 60
now putting the value of Y in equation 2 we get:-
X = 60 + 34
X = 94
Kyle have 94 toys while Brain have 60 toys