Adam has three pennies, two dimes, and one nickel. he also has one other coin that is different from the rest of his coins. how
1 answer:
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Because there's one 3 & four 7's .
Because there are two 2's & four 9's
Answer:
3 and 7
Step-by-step explanation:
For problems like these I take the largest number in this case 10, and start writing out what 2 numbers would give me 10. 0+10, 1+9, 2+8, 3+7...while doing that I subtract the numbers as well. thus 3+7=10 3-7=-4
