Answer:
7
Step-by-step explanation:
3 + m =
3 + 4 =
7
We need to find 30% of 20 gallons.
1) We can write a proportion
20 gallons ---- 100%
x gallons --------30%
x = 20*30/100 = 6 gallons
2) Or we can write 30% as decimal.
30% = 30/100 = 0.3
0.3 of 20 = 0.3*20 =6 gallons
Answer 6 gallons are used efficiently.
Answer: 6700
Step-by-step explanation: 6700 is Already rounded to the nearest hundredth.
Answer:
22+8y+28b+24h
Step-by-step explanation:
combine like numbers
2+20=22
8y=8y
13b+15b=28b
24h=24h
Answer:
-29
Step-by-step explanation:
-3(10)+1
-30+1
-29
