Question

plz tell me the answer fast i will mark it as brainliest

Answer 1

Let the lower limit be l and upper limit be u. Then, u−l=4...(1)

and 2u+l =15 or u+l=30...(2)

Subtracting (2) and (1),

u+l−u+l=30−4

2l=26

l=13

Thus, lower limit =13