Question

Can someone help? 25 points

Answer 1

t 》18

Explanation:

t + 12 》30

t 》30 - 12

t 》18

Answer 2

t ≥ 18

Explanation:

He has run 12 miles plus some more miles t. He need to run at least 30 miles

12+t ≥ 30

Subtract 12 from each side

12+t-12 ≥ 30-12

t ≥ 18