Answer: i know it
Step-by-step explanation: i know
To find how many miles he went in 1 hour, divide 62.3 by 3.5.
62.3 / 3.5 = 17.8
D. It Is The Most Fitting Answer. The Other 3 Equal More Than Needed.
Answer:
-31
Step-by-step explanation:
(2×x) - (2×5) = (3×x) + (3×7)
2x-10 = 3x+21
2x-3x = 21+10
-x = 31
therefore, x = -31
The answer is 19
work :
1-multiply the numbers by a submultiple of 10 to remove the decimal points.

2-
now do the division :

so the answer is 19
note: there is no need to get it back to decimal number unless you multiply just one of the numbers or multiply the numbers with different submultiples of 10
good luck