You have to find the mean (average) which is (10+x)divided by 2 to get how long it would take them together. (chase is x because you don’t know how long yet so u use a variable)
Answer:
First box, second from the left,
Second box, first on the left.
Third box, third from the left.
Fourth box, Last on the right.
Step-by-step explanation:
Welcome.
Answer:
32
Step-by-step explanation:
40 = 100%
how many are 80% ?
well, 80% = 80× 1%
1% = 100% / 100
so, in our case
80% = 80×40/100 = 8×4 = 32
as a shortcut you consider a percentage x as a ratio factor of x/100 you multiply the 100% number with.
in our case
80% = 40 × 80/100 = 32
Answer:
1/2
Step-by-step explanation:
you can simply the fraction making it 1/2 and 1 - 1/2 = 1/2