the question is 1 times 7.8-1/5 7

For this problem you need to concentrate on order of operations. You need to first do multiplication and division.

so first, 1x7.8 = 7.8

Second, (1/5) x 7 = 1.4

Now you do 7.8-1.4 = 6.4

Hopefully I interpreted the problem numerically correct, and this helps you out!

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