John predicts his football team will score 67 points in the next game. if john's team actually scored 42 points, what was john's percent error? round your answer to the nearest tenth of a percent.

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d