Write an equation for the word sentence.
eight more than the number of children is 24.

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4