Into Math Grade 6 Module 7 Lesson 3 Answer Key Solve a Variety of ... If she reaches 40% of her goal she will have more 16 cans, 16 + 16 = 32 cans. To reach her goal she needs 5 times more. than 20% so it is 16 X 5 = 80 cans, therefore. For every 16 cans Liz collects, she adds 20% toward her goal, If she reaches 40% of her goal she will have 32 cans.