Show:
Simple Algebra
Real numbers
representation
fractions
solutions
100
Julie has $50, which is eight dollars more than twice what John has. John has this much.
What is 21
100
Suzy is 10 years older than Billy. Next year she will be twice as old as Billy. How old are they now?
Billy is 9 and Suzy is 19
100
When 15 is subtracted from an unkown number the result is 34. Let x represent the unknown number and write an equation for the relationship.
What is x - 15 = 34
100
WHAT FRACTION REPRESENTS 54%?
What is 27/50
100
A real estate agent received a 6% commission on the selling price of a house. If his commission was $8,880, what was the selling price of the house?
What is 6% x = 8,880 : x = selling price of house. x = $148,000 : solve for x.
200
Carlotta spent $35 at the market. This was seven dollars less than three times what she spent at the bookstore; Carlotta spent how much at the market.
What is 14
200
230,000,000,000 in scienific notation?
What is 2.3 x 10^11
200
WHAT FRACTION OF PIE WILL EACH PERSON GET WHEN 9 PIES ARE DIVIDED EQUALLY AMONG 15 PEOPLE?
What is 9/15
200
3,456,892 IF FIVE IS UNDERLINED.WHAT IS THE PLACE AND VALUE OF THE UNDERLINED DIGIT?
What is TEN THOUSANDS PLACE AND ITS VALUE IS 50,000
200
An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?
What is 3000 revolutions / minute = 3000*360 degrees / 60 seconds = 18,000 degrees / second
300
The sum of two numbers is 99, and one of them is 17 more than the other. The two numbers are...
What is x = 41 x + 17 = 58
300
30-12/3×2
What is 22
300
Use the distributive property to rewrite 7(y + 9). Then evalutate the expression when y = 5
What is 7 x y + 7 x 9 35 + 63 = 98
300
WRITE THE FOLLOWING NUMBER IN WORDS AND ROUND IT TO THE NEAREST HUNDREDTH. 598,423.457
What is Five hundred ninety-eight thousand, four hundred twenty-three and four hundred fifty seven thousandths. 598,423.46
300
Four children have small toys. The first child has 1/10 of the toys, the second child has 12 more toys than the first, the third child has one more toy of what the first child has and the fourth child has double the third child. How many toys are there?
x/10 : the number of toys for first child x/10 + 12 : the number of toys for second child x/10 + 1 : the number of toys for the third child 2(x/10 + 1) : the number of toys for the fourth child x/10 + x/10 + 12 + x/10 + 1 + 2(x/10 + 1) = x x = 30 toys : solve for x
400
A class of 50 students is divided into two groups; one group has eight less than the other; there are so many in this group.
What is x = 29 x − 8 = 21
400
18+4(6÷2)^2
What is 18
400
You are helping to plan a party for your classroom. Your committee has collected $20.00 to pay for drinks and snacks. You want to buy a large bag of popcorn for $7.79, a gallon of juice for $5.29, and a dozen cupcakes for $4.95. Do you have enough money?
What is 7.79 + 5.29 + 4.95 = 18.03 You do have enough money. The total cost is $18.03
400
3/8 + 2/16 7/12 - 3/12
What is 8/16 = 1/2 4/12= 1/3
400
An airplane flies against the wind from A to B in 8 hours. The same airplane returns from B to A, in the same direction as the wind, in 7 hours. Find the ratio of the speed of the airplane (in still air) to the speed of the wind.
What is S/r = 15
500
The sum of two numbers is 72, and one of them is five times the other; what are the two numbers?
what is x = 12 5x = 60
500
(x4÷x3)^3
What is x^3
500
Use estimation to decide whether 6 x 47 is larger or smaller than 300.
What is no it is not larger
500
5/7 X 3/4
What is 15/28
500
It takes a boat 3 hours to travel down a river from point A to point B, and 5 hours to travel up the river from B to A. How long would it take the same boat to go from A to B in still water?
What is d / S = 3.75 hours = 3 hours and 45 minutes.