Start with

Multiply both sides by 5:

Answer:
90
Step-by-step explanation:
I say 90 because 24 is just a little higher than 1/4 of 80 and since 1/4 of 300 is 75, 90 is the best estimate based off the sample survey. Hope this helps!
Answer:
69a-10
Step-by-step explanation:
Answer:
1 7/12
Step-by-step explanation:
here you go :)
Part a: subtract 48-30=18
Part b: i found it by subtracting 48 -30 because it says left over