Answer:
jessica run mile per5 minute.
8/5 mile=8 minutes
1 mile=8/(8/5)=8×5/8=5 minute.
Answer:
what do you need help with
Answer:
Step-by-step explanation:the answer i 1413
Answer:
im almost postive the one you marked is correct
Step-by-step explanation:
Answer:
8/3
Step-by-step explanation:
i put equations as this:
x+40 = y
where x is galllons of pure mixture and y is the gallons of the new mixture
the other equation i id was:
x+0.2(40) = 0.25y
x+8 = 0.25y
y = 4x+32
solve using substitution
(x+40) = 4x+32
x = 4x-8
-3x = -8
x = 8/3
