Answer:
Sixth graders: 14
Seventh graders: 28
Eighth graders: 28
Step-by-step explanation:
To solve this you just have to use a rule of three to solve the percentages, remember that the 100% will be the 70 students, and we solve each case separetly:
70 students= 100%
sixth grades= 40%
Sixth grades= (40*70)/100
Sixth graders= 28
70 students= 100%
seventh grades= 20%
seventh graders= (20*70)/100
Seventh graders=14
So if we have that the rest of the students are eighth graders, we just add up the sixth and seventh graders and withdraw them from the total:
28+14=42
70-42=28
SOwe have that the eighth graders are 28
<span>What is 7.24 divided by 7
</span><span>that would be >>>>>>>>>1.03857142857</span>
Answer:
144
Step-by-step explanation:
40 pages- 25 mins
1.6 pages- 1 min
please mark as brainliest!!<3
For this case we have the following equation:
We must clear the variable "x":
We multiply by 2 on both sides of the equation:
We divide by h on both sides of the equation:
We subtract "a" on both sides of the equation:
Answer:
