1. Amacom want give money to 55 family of Merapi’s victim. Each family consist of 7 people. Each people would receive the similar to each other. Determine the total would be received by each people if the total amount from Amacom is Rp 577.500.000,00 ?
Solution :
55 x 7 = 385 people
577.500.000 : 385 = 1.500.000
So, every people would receive Rp 1.500.000,00 from Amacom.
2. The size of the floor 12 m x 12 m. The floor will be tessellated using the marbles with the size of 30 cm x 30 cm each. Determine the number of marbles to be used to fit together without leaving any space of the floor?
Solution :
Wide of floor = 12 m x 12 m = 144 m2
Wide of marbles = 30 cm x 30 cm = 0,3 m x 0,3 m = 0,09 m2
The total of marbles to be used = Wide of floor : Wide of marbles
= 144 m2 : 0,09 m2
= 1600
The number of marbles to be used is 1600 units.
3. It need 60 days to contruct a building whenever it is done by 48 workers. Determine the number of extra worker if that construction must finished in 20 days?
Solution :
60 : 20 = 3
48 x 3 = 144
We need 144 worker.
