Please help me solve this question, I am unsure how to solve for this and how many for each type of scooter samy must sell each month to break even

Sammy's Scooters plans to sell a standard scooter for $90 and a chrome scooter for $120. Sammy's purchases the standard scooter for $45 and the chrome scooter for Skippy's Scooters sell each $30. Sammy's expects to sell one standard scooter for every three chrome scooters. Sammy's monthly fixed costs are $69,300. Read the requirements. Requirement 1. How many of each type of scooter must Sammy's Scooters sell each month to break even? Start by selecting the formula and entering the amounts to compute the breakeven point in units for the "package" of products-total scooters to be sold. (Enter a "0" for any zero balances. Enter currency amounts to the nearest cent. Abbreviation used: Weighted-avg. CM = weighted-average contribution margin.) = Required sales in units 0 ) $ 10 )$ 30 hrome scooters = 2:3 *10 + 3/5 * 30 = 4 + 18 =! ter must Skippy's Scooters M per unit 420