Equations practice problems - page 13 of 227
Number of problems found: 4538
- The enrolment 2
The enrolment at a school has increased from 1400 learners to 1600 learners over 5 years. What is the percentage increase in enrolment? - Fraction number
If two-thirds of a number is added to one-ninth of the same number, the result is 7. Find the number. - Gift baskets
Alessia and Alexia made some gift baskets to sell. 2/5 of them were Yu-Gi-oh themed, and the rest were Barbie-themed. They sold 3/4 of the yu-gi-oh-themed baskets and 7/12 of the Barbie-themed baskets. They remained with 56 gift baskets. How many gift bas - Cupcakes
Keia and Hiro made a total of 27 cupcakes. Keia made 2 times as many cupcakes as Hiro. How many cupcakes did Hiro make?
- Prealgebra ex
Find an unknown number/mixed number N in the given equation: N + 3 1/2 = 6 3/4 - Violin and dance lesson
Each week, Nina takes a violin lesson and a dance lesson. The dance lesson costs ⅔ as much as the violin lesson, and the combined cost is $75. Which systems of equations could be used to find d, the cost of the dance lesson in dollars, and v, the cost of - Harold
Harold made a rectangular dog run in his backyard. The area of the dog run is 96 square feet. What are three different possible dimensions of dog run? - Collinear lines
Points A, B, and C are collinear, and B lies between A and C. If AC = 48, AB = 2x + 2, and BC = 3x + 6, what is BC? - EE school boarding
Three vectors, A, B, and C, are related as follows: A/C = 2 at 120 deg, A + B = -5 + j15, C = conjugate of B. Find C.
- The population 2
If 3/5 of a village's population is 366 persons, what is the village's population? - Julia 4
Julia correctly solved a math problem by first dividing 44.5 by 5 and then subtracting 23 from the result. Which equation could be solved to get the same answer? Responses: A 5x+23=44.5 B 5(x-23)=44.5 C 5(x+23)=44.5 D 5x-23=44.5 - Unknown var N
Five-eights of a number, N, is 50. What is the value of N? - The numerator The numerator of the fraction is 5 more than its denominator. If 4 is added to the numerator and denominator, the fraction obtained is 6/5. What is that fraction?
- The land 3
A farmer uses 1/3 of his land to grow cassava, 2/5 to grow maize, and the rest for vegetables. If the area used to grow vegetables is 10 acres, what is the total area of the land?
- Fraction function
If Begin equation . . . y equals . . . begin fraction . . . x raised to the second power minus 3 times x plus 10 . . . over . . . x plus 4 . . . end fraction . . . end equation, find f(5). - Hoverboard
Adam lives in Podhradí, and his friend Marcel lives in Lhota. Lhota is 6 km from Podhradí. Adam travels the same distance on a hoverboard in 20 minutes as Marcel does in 25 minutes. They leave home simultaneously, drive towards each other, and meet in pre - Muffins 3
Adela went out and bought some muffins. She gave 27 to Jack and 2/7 of the rest to her brother. She is then left with 1/2 of the number of muffins she had before. How many muffins did Adela have at first? - Eq simple If three times a number is subtracted from 7 times the number, the result is 2. What is the number?
- Using fraction Ling is using fraction strips to add 2/3 and 7/12. The sum is one whole, plus how many twelfths?
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