Mrs Raja and Mrs lee have some eggs to sell. If mrs raja sells 30 eggs per day and mrs lee sells 15 eggs per day , mrs lee will still have 610 eggs left when mrs raja has sold all her eggs . If mrs lee sells 30 eggs per day and mrs raja sells 10 eggs per day , mrs lee will still have 10 eggs left when mrs raja has sold all her eggs .

Question

Mrs Raja and Mrs lee have some eggs to sell. If mrs raja sells 30 eggs per day and mrs lee sells 15 eggs per day , mrs lee will still have 610 eggs left when mrs raja has sold all her eggs . If mrs lee sells 30 eggs per day and mrs raja sells 10 eggs per day , mrs lee will still have 10 eggs left when mrs raja has sold all her eggs . 
What is the total number of eggs they have altogether?
The ans is 970 but i don't know the steps

Steve · Answer

If Raja has x, and Lee has y, then we are told: after d days, y-15(x/30) = 610 y-30(x/10) = 10 Solve for x and y, and you will get x+y=970

Ellie · Answer

Thank you so much