The ratio of a and B is 5:2, a is 35, B is () On the map of scale 1:2000, the line segment of 7cm on the map represents the actual distance () M There is a kind of salt water, the ratio of salt and water is 1:10. How many kilograms of water is needed to make this salt water with 5.5 kilograms of salt The school uses the same square brick to pave the floor. It needs 120 square bricks to pave 5 square meters. According to this calculation, how many square bricks do you need to use to pave 32 square meters? (to be listed)

The ratio of a and B is 5:2, a is 35, B is () On the map of scale 1:2000, the line segment of 7cm on the map represents the actual distance () M There is a kind of salt water, the ratio of salt and water is 1:10. How many kilograms of water is needed to make this salt water with 5.5 kilograms of salt The school uses the same square brick to pave the floor. It needs 120 square bricks to pave 5 square meters. According to this calculation, how many square bricks do you need to use to pave 32 square meters? (to be listed)

The ratio of a and B is 5:2, a is 35, B is (14)
On the map of scale 1:2000, the line segment of 7cm on the map represents the actual distance of (140) M
There is a kind of salt water, the ratio of salt and water is 1:10. How many kilograms of water is needed to make this salt water with 5.5 kilograms of salt
5.5 △ 1 / 10 = 55 kg