Expression of a variable from the formula + natural numbers - practice problems
Number of problems found: 89
- Field trip 2
A principal is organizing a field trip for more than 400 students. She has already arranged the transportation for 280 students. Each school bus has the capacity to transport 40 students. Find the number of school buses still needed to transport all of th - Write 8
Write an expression for the total cost using the variable x. A bus company charges $35 to rent a bus for the day plus $4.50 for each student. - Which 15
Which two digits need to be interchanged to make the following equation correct? 16+7*2+4-3=12 A) 2 and 4 B) 7 and 4 C) 16 and 2 D) 7 and 3 - Yiguo
There were an equal number of carrots, tomatoes, and cabbage in the pantry. Yiguo used 49 carrots som, some tomatoes, and some cabbages. There were 3 times as many tomatoes as cabbages left. Sixteen fewer carrots than tomatoes were left. There were 117 ca
- Cardinals and robins
Lee saw c cardinals and 5 robins in his yard. Write the expression that shows the number of birds Lee saw in all. - The ratio 13
The ratio of boys to girls in Mr. Hakeem's class is 6:4. If there are 18 boys, how many girls are there? - Evaluate expressions
Which expression equals 12? ... - Deon made
Deon made 4 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 4 necklaces was 18.40. If the beads cost a total of 9.60, how much did each pendant cost? - Approximate 83298
They planted 5,600 tulips in the garden bed, an average of 50 tulips per 1 m². What is the approximate size of the flower bed?
- Candies 83291
Jana and Klara divided the candies in a ratio of 15:18. Klára got 90 candies. How many candies were there? - Participating 83071
One hundred seventy-five school pupils signed up for the school trip. The ratio of boys to girls was 9: 16. In the end, 19 registered students did not come on the trip, so the ratio of the number of participating boys and girls was 9: 17. How many boys an - Total 80458
A tower of red cubes 13/72, blue 25/48, green 516. How many cubes are there in total? - Two numbers 13
Two numbers are in the ratio 5:8. When 2 is added to each, the ratio of the resulting numbers is 2:3. Find the numbers. - Ninety-one 80354
Ninety-one books are arranged on seven shelves so that there are 4 more books on each subsequent shelf than on the previous one. How many books are on the 7th shelf?
- A pastry
A pastry chef made some tarts and cupcakes. 2/9 of the tarts were chocolate, and the rest were fruit. 3/7 out of the fruit tarts were lychee tarts, and the rest were peach tarts. There were 96 peach tarts. How many tarts did the pastry chef make altogethe - Jared 2
Jared has $32. He buys 5 packs of trading cards for $3 each and a display book for $7. Simplify the expression to find out how much money Jared has left. - The sum 23
The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference? - A sports
A sports tournament has "n" teams. Each team has 17 players. Using "n", write an expression for the total number of players. - Problem
Problem Solving: The sum of three consecutive numbers is 93. What is the difference between the largest and the smallest number?
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