Answer:
Step-by-step explanation:
0.3535... = 35/99
Answer:
x=9
Step-by-step explanation:
Subtract 10 on both sides: 2x=18
Divide both sides by 2: x=9
So x=9
Hope this helped!
Answer: 1224 miles
Step-by-step explanation:
Given
the average speed of a person is 51 mph
If speed is increased to 72 mph, he would have reached 7 hr earlier
Suppose d and t be the distance and time taken

If the speed is 72 mph

Also, 

The mass of both combined would be 1150 grams or 1.150 kilograms