Answer:
40 minutes
Step-by-step explanation:
30x+45x=50
75x=50
x=.6667 hours or 40 minutes
check:
30 mph for 40 minutes=20 miles
45 mph for 40 minutes=30 miles
total=50 miles
Answer: 10a + 15b
Step-by-step explanation:
The mixture is 1 cup of vinegar to 1 gallon of water.
Since 1 gallon is 16 cups, it could also be
1 cup of vinegar to 16 cups of water.
If we had 80 fluid ounces of water, we'd have to change the water to 5 fluid ounces to keep the mixture the same. (It's still 1 part vinegar, 16 parts water)
Answer:
D
Step-by-step explanation:
The correct answer is 1.4 or 1 4/10
I did this by turning 7/10 into a decimal which is 0.7.
Now I just add 0.7 + 0.7.
For that equation i got 1.4
This would equal 1 4/10
