Answer:
3.1415926535 8979323846 2643383279 50288419716939937510 5820974944 5923078164 06286208998628034825 3421170679 8214808651 32823066470938446095 5058223172 5359408128 48111745028410270193 8521105559 6446229489 54930381964428810975 6659334461 2847564823 37867831652712019091 4564856692 3460348610 4543266482.
Step-by-step explanation:
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18*35 - number of the students at school.
x- is a number of classes if it is going to be 30 students per class, then
30x - number of the students at school.
So,
18*35 = 30x
x=(18*35)/30 = 21 classes should be if it is going to be 30 students per class.
21 - 18 = 3 new classes must be formed.
This is the answer to your question
1) let molly be y
And let Nancy be x
Since molly is twice as Nancy
So equation is 2x=y
(Twice Nancy age is equal to Molly’s age)
2)let molly be y
Let zanders age be z
Since zander is 6 yrs younger than molly
So 6yrs added to zanders age equals Molly’s age
Eq: z+6=y
3) ) molly’S age =y,Nancy age =x
Since molly is twice as Nancy
So 2x=y. (Nancy is 10 .....given )
2*10 = 20
Or
molly =y
zanders =z
Since zander is 6 yrs younger than molly
Eq: z+6=y ( zandra is 14 ...given )
14+6=20
If u wanna submit it to your teacher the do write in the exact same way as above
Plz mark me brainest:)