Question

i am confused i don't know how to solve this maybe someone on here can solve it but here is it Solve. 21r<7

Answer 1

r <
`(1)/(3)`

Explanation:

Given

21r < 7 ( isolate r by dividing both sides by 21 )

r <
`(7)/(21)` , that is

r <
`(1)/(3)`

Answer 2

r<-3

Explanation: