Answer:
30
Step-by-step explanation:
60% of 30 students is 18 girls
Answer:
90 square kilometers
Step-by-step explanation:
1. split the figure in small definite sections
2. find the areas of the smaller sections.
3. find the sum of the areas.
Answer: 400 Miles
Step-by-step explanation:
Okay to find the answer you must use how many gallons he has already used which is 12 Gallons.
They say the average is 0.03 Gallons per Mile.
You divide 12/0.03 to get 400 Miles. (:
Answer:
C
Step-by-step explanation:
12 + 3x
12 + 3(20)
12 + 60
72
Answer-
The number is 5
Explanation-
let the number be x
according to the condition
2x-(x-7)= 12
2x-x+7=12
x+7=12
x+7-7=12-7
x=5
therefore the required number is 5