1. Manny has a box of marbles. 1/4 of the marbles are yellow and 1/3 of them are green. the rest are 30 white marbles. How many marbles are there in the box?
2. Randy was counting mangoes in the basket. after counting 2/3 of the mangoes, his phone rang and then answered it. then he continued to count. after counting 20 more, he still had 1/4 of the mangoes to count. How many mangoes are there in the basket?
3. Marlene baked some cupcakes. She gave 2/5 of the cupcakes to her friends and sold half of the remainder. If she had 9 cupcakes left, how many did she sell?

Please paki answer po now kailangan po kasi