Bart has 11 more baseball cards than Tom. Together, they have 163 baseball cards. How many baseball cards does Tom have?
2 answers:
Answer:
c
Step-by-step explanation:
Let Bart's cards = t
Let Tom's cards = b
Adding up Bart's and Tom's cards will add up to 163 like this
b + t = 163
Also Bart has 11 more than Tom
b = t + 11
Plug in the new b
t + 11 + t = 163
2t + 11 = 163
Subtract 11 from both sides
2t + 11 = 163
- 11 - 11
2t = 152
Divide both sides by the coefficient, 2, to isolate the variable, t.
2t/2 = 152/2
t = 76
Answer:
c
Step-by-step explanation:
If Bart has 11 more than Tom, you can't have a. If the addition is 163, then you can add 76 and 87. Bart has 87 and Tom has 76.
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