1.Tom has 6 quarters and 12 dimes in his pocket. How many coins does he need to take out of his pocket to make sure he has 4 quarters?

2. 2t+s=23, t*s=60, solve for t and s

1. 6q+12d=18 coins

Has 18coins total and asking how many coins need to pull out to have 4 quarters left.

18-4= 14 coins need to pull out

answer is 13

2.

2t+s=23

t*s= 60

1. what 2 numbers equal 60

10*6, 5*12, 20*3, 15*4

2. Try 15*4 .. 15=s and T=4

4(2)+15=

8+15= 23

answer is S=15 T=4

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