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Heather.
Answers (3)
2„ 2x-7„ +11=25 -11 -11 2„ 2x-7„ =14 4x +14 = 14 -14 -14 4x = 0 Divide both by 4 x = 0 Check 2„ 2(0)-7„ +11=25 2„ 0 -7„ +11=25 2„ -7„ +11=25 14 + 11 =25 25 =25
You say total number of coins is $6.70. That is the value, not the number of coins. Are they all nickles?
Prime factors of 252 is 2x2x3x3x7. 1663 can not be divided by 2, 3 or 7 so it is in sipliest form.
