It is -10°f now. school is canceled when the temperature is colder than -5°f. describe how much the temperature can increase before school will reopen using the inequality -10 + x < -5. which choice shows the correct solution and conclusion?
a. x < 5, so the increase must be less than 5°f or there will be school.
b. x > 5, so the increase must be more than 5°f or there will be school.
c. x < -15, so the increase must be less than -15°f or there will be school.
d. x < 5, so the temperature must be less than 5°f or there will be school.