Question

5/2(k-40)+7/2(k-20)+17/9(k-10)=600

k=?​

Answer 1

Answer:

i hope that it is helpfull for u

Answer 2

Answer:

100

Step-by-step explanation:

18x5/2(k-40)+18x7/2(k-20)+18x17/9(k-10)=600x18

45(k-40)+63(k-20)+34(k-10)=10800

45k-1800+63k-1260+34k-340=10800

142k-3400=10800

142k=10800+3400

142k=14200

k=100