Don’t only answer this explain how to figure it out so i have it for future reference

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50