At a restaurant the cost for tacos & a small glass of milk is $2.10. The cost 2 tacos and 3 glasses of milk was $5.15. Write a pair of equations that can be used to determine t, the cost of a taco, and m, the cost of a small glass of milk.

The cost of taco =t

The cost of glass of milk =m

t+m=2.10

2t+3m=5.15

2t+2m=4.20

m = 5.15-4.20 =0.95

t =2.10-m=2.10-0.95=1.15

Tacos costs $1.15

Glass of milk costs $0.95

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