Dion spent m minutes on his math homework, g minutes on his german homework and 30 minutes on his biology homework. in total he spent t minutes on homework. what equation relates these quantities? if m is 40 and t is 95 what is g?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?