A certain number was multiplied by 4. Then, this product was divided by 19.4. Finally 6.4 was subtracted from this quotient, res
ulting in a difference of -8.4, What was this number?
1 answer:
Answer:
-9.7
Step-by-step explanation:
we can do the opposite of everything that was done to get the resulting difference
so......
-8.4+6.4=-2
-2x19.4=-38.8
-38.8/4=-9.7
and to double check.......
-9.7x4=-38.8
-38.8/19.4=-2
-2-6.4=-8.4
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