Multiplication
677 x 74
50 098
5/8 of the staff are male. 5/12 of the staff works part-time at the aquarium. What fraction of the staff is female.
1- 5/8 = 3/8 (staff is female)
254 x 68
17 272
In a class of 30 children, 18 of them have blue eyes. What percentage of the class have blue eyes?
18/30=0.6
0.6 x 100=60%
60% of the class have blue eyes.
620 x 50
31 000
The diameter of a coin is 26mm. Matthew lined up 57 coins from the left of his dest to the right end of his desk. What is the width of his desk?
26mm x 57 coins = 1 482mm
610 x 71
43 310
A company donates 935 pencils to a school. The pencils are divided evenly among 9 classrooms. The rest of the pencils are given to the library. How many pencils were donated to each classroom and to the library?
935/9=103 remainder 8
~ Each classroom recieved 103 pencils and the library received 8
809 x 35
28 315
During a normal day, there are 280 planes taking off from the airport, but the airport is a lot busier during Christmas. During the Christmas holidays, about 336 planes take off every day from the airport.
a) During the Christmas holidays, the airport opens 12 hours during each day, how many planes take off from this airport in each hour?
b) In average, each plane takes 240 passangers and 12 tons of cargo. How many passangers depart from the airport every hour during the Christmas holidays.
a) 336/12=28 ~ 28 planes take off from this airport each hour
b) 28 x 240= 6720 ~ 6720 passangers depart from the airport every hour