Question

Mary and Laci go to the Mexican restaurant. Mary orders 2 tacos and 2 enchiladas. Laci orders 3 tacos and 1 enchilada. Mary’s bill was $4.80. Laci’s bill was $4.00. What was the price of the taco.

$0.80
$1.60
$2.40
$3.00

Answer 1

2T + 2E = 4.8
3T + 1E = 4 multiple ( -2 )
.........................
2T + 2E = 4.8
-6T - 2E = -8
adding
-4T = -3.2
4T = 3.2
T = 0.8

Answer 2

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