# Expression of a variable from the formula + rational numbers - math problems

#### Number of problems found: 7

- Insert 3

Insert five arithmetic progression members between -7 and 3/2. - Positive number z

Positive number z is 10% greater than the number y. How many % is y smaller than z? Report the result rounded to one decimal place. - Average price

Sixth grade went on a trip to Moravia. Each of the 26 pupils paid CZK 320 and the school paid a total of CZK 3,510. What was the average price of a trip per student? - Sea water

Mixing 62 kg of sea water with 84 kg rainwater is created water containing 3.1% salt. How many percent sea water contains salt? - Rectangular cuboid

The rectangular cuboid has a surface area 5334 cm^{2}, and its dimensions are in the ratio 2:4:5. Find the volume of this rectangular cuboid. - Two cars

Two cars started against each other at the same time to journey long 346 km. The first car went 53 km/h and the second 53 km/h. What distance will be between these cars 20 minutes before meet? - Boats

Three-quarters of boats are white, 1/7 are blue and 9 are red. How many boats do we have?

We apologize, but in this category are not a lot of examples.

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.

Expression of a variable from the formula - math word problems. Rational numbers - math word problems.