In the equation 3s + 135 = 4.5 (s+10), what does the expression (s+10) represent?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Acaterpillar eats 1400\%1400% of its birth mass in one day. the caterpillar's birth mass is mm grams. which of the following expressions could represent the amount, in grams, the caterpillar eats in one day? \