Question

um of 700 is to be used to give seven cash prizes to students of a school for the
overall academic performance. If each prize is 20 less than its preceding prize, find the
value of each of the prizes.​

Answer 1

700=7/2(2×a+(7-1)-20)

700=7/2(2a-120)

700=7(a-60)

Then 7a-420=700

7a=1120

So a =160

So The Value of First Prize is 160 Next Prize Value is 140.... nd So on.........

#RamRam Ji...............

Answer 2

Answer:

Refer to the attachment