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Tom has 15 years, jerry 9 and Laura has 6. What is the age of Edmond, if the sum of the three ages is three time the age he has? By Diego.

he has 10 years                      15+9+6:30     30/3: 10

2.      Maria buys 5 dolls of $ 7.00 each. How much would it be if she buys 10 more? By Angela.

350 dollars      7*5: 35      35*10: 350

3.      There are 20 cows if each cow gives 2 liters of milk every day, how many will 20 cows give in a year? By Yariluz

14240 in a year         20*2:40*356 :14240

4.      There were 30 chicken and we ate 14 chickens. How many will be left if we added 40 more? By Alejandro

56 chickens     30-14:16         16+40:56 

5.     I bought 66 apples, and then my sister bought 100 apples, if we eat 50 apples total. How many apples will be left? By Alejandra

116    100+66:166         166-50:116

6.      Adrian buys a computer for $ 948. He first paid the half and the rest will be paid into 12 months. How much will he pay every month? By Rosa Delia

he had to pay 39. 05   948 /2 :478/12 : 39.05

7.      If 35 grams of powders contained in 150 millimeters, how many grams are contained in 75 mm? By Luis Pablo

Is 17. 5 millimiters

8.      Gareth is hungry and only has 2 dollars left. What two items could he buy? By Juan Carlos

hot dog $1.25	Soup  $1.10	hamburger $1.30	fish $1.25	cheese burger $1.35
	chips $0.65	candies $0.70	crisps $0.50

9.      In a farm there 120 hens, every day they lay down 6 eggs each, how many eggs will be in a year? By Vivi