Grade 7Algebra
How many even numbers are there with three digits such that if 5 is one of the digits then 7 is the next digit?
1 Answer
Sher Mohammad
when 5 is first digit , 57_, 5 numbers,
when 5 is second digit , _57 , zero number , the total numbers are 5
when 5 is second digit , _57 , zero number , the total numbers are 5
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algebra
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