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Mathematical application problems, only the formula does not calculate The road repair team built a highway, which accounted for 24% of the total length in the first four days. On the fifth day, it built 80 kilometers a day with the same working efficiency. How many kilometers is the length of the road?
Let the path length be X
From the topic meaning: 24% x = 4 * 80
Party A and Party B travel from a to B at the same time. Party A travels 5.5 kilometers per hour, and Party B travels 5 kilometers per hour. How many kilometers are there between them after 4 hours?
5.5×4-5×4；
The formula of mathematical application does not calculate
The store has 250 kg of white sugar. The brown sugar is 1 / 4 more than the white sugar. How many kg more than the white sugar?
250 kg of white sugar from the store, 1 / 4 more than brown sugar. How many kg of brown sugar?
The store has 250 kg of white sugar. The brown sugar is 1 / 4 more than the white sugar. How many kg of brown sugar?
The hatchery hatched 392 chickens with a batch of eggs, and the hatching rate reached 98%. How many eggs are there in this batch?
The hatchery hatches chickens with 400 eggs, and the hatching rate reaches 98%. How many chickens are hatched?
There are 50 students in class 1 of grade 5, and one of them asks for leave one day?
There are 50 students in class 1 of grade 5 who don't go to school on a certain day. One of them asks for leave. How about the attendance rate of the students on that day?
Happy expectation, hello
The store has 250 kg of white sugar. The brown sugar is 1 / 4 more than the white sugar. How many kg more than the white sugar?
250×1/4
250 kg of white sugar from the store, 1 / 4 more than brown sugar. How many kg of brown sugar?
250÷（1＋1/4）
The store has 250 kg of white sugar. The brown sugar is 1 / 4 more than the white sugar. How many kg of brown sugar?
250×（1＋1/4）
The hatchery hatched 392 chickens with a batch of eggs, and the hatching rate reached 98%. How many eggs are there in this batch?
392÷98%
The hatchery hatches chickens with 400 eggs, and the hatching rate reaches 98%. How many chickens are hatched?
400×98%
There are 50 students in class 1 of grade 5, and one of them asks for leave one day?
（50－1）÷50×100%
There are 50 students in class 1 of grade 5 going to school one day. One of them asks for leave. How about the attendance rate of the students on that day?
50÷（10＋1）×100%
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