I am sad tomorrow I will have a test help me please!!!!!!!!

Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! this week there are the exams nooooooooo!!!!!!!!!!!!

Onooooooo they take mi out blood that is ogly.

1.      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.

15+9+6=30   30/3=10   He has 10 years.

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

     7.00*5=35  7.00*10=75+35=105   $105.00

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

20*365=146000 

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

40+14=54  54-30 =24

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

66+100=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

948/2=474/12=39.5

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

17.5  35/2=17.5*2=35

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

6*365=2190

10. Our fourth grade class sold 312 tickets to our class play. Each ticket cost $ 2.50. Our donated 75% of the money we earned from ticket sales to charity. How much did our class donate to charity? By Alessandra

$195.00

$650.00

$780.00

$550.00

           

11. During the summer vacations, my brother earns extra money mowing lawns. He mows 7 lawns an hour and has 21 lawns to mow. How long will take him? By Eyllin

7/21=3

12. There are 3 jars of jelly beans on a table. Each jar contains 478 jelly beans. How many jelly beans are there in all? By Dalila.

3/478=1434

13. A scientist believes that there are 4,458 small parakeets and 950 large parakeets in a particular part of the rainforest. What is the total parakeet population there? By Ximena

14. Leonardo has 36 apples and he ate 6, later he bought 9 and the next day he received from his grandma 49 apples more. How many apples does he have totaled? By Flavio

Today it was a exam I dont know how much I will get!!!!! 
Onooooooooo!!!!!!!!!!!!!!