Rational numbers - practice for 13 year olds - page 2 of 6
Number of problems found: 103
- Josh works
Josh works mowing lawns and babysitting. He earns $7.20 an hour for mowing and $6.80 an hour for babysitting. How much will he earn for 1 hour of mowing and 6 hours of babysitting? - Ratio
Increase the number 25.6 in the ratio 7:4. - Latitude and longitude
A helicopter is flying from Hong Kong to Jakarta. The latitude of Jakarta is -6.20, and its longitude is 106.80. The latitude of Hong Kong is 22.27, and its longitude is 114.15. What is the helicopter net change in latitude and longitude as it travels fro - Last month
Last month, Lana sold 35 necklaces a week at $15 each. However, six customers returned their necklaces throughout the month for a full refund due to defective clasps. How much did Lana make selling necklaces last month? (Hint: Assume there were four weeks
- Significant figures
How many significant figures are present in each of the measured quantities? A. 0.0012 B. 900.0 C. 108 D. .0012 E. 2006 F. 0.002070 - Boats
Three-quarters of boats are white, 1/7 are blue, and nine are red. How many boats do we have? - Car rent 2
The cost (c), in dollars, charged by a car rental agency is calculated using the equation c = 12 +0.29m, where m represents the distance traveled in miles. Calculate the distance traveled for the cost of $56. 37. - Rope
Half of the rope used Mam for packaging, half of the rest got a son, half of the rest he took the father, and two-fifths of what remained and got a daughter. Remained 143 cm of rope. How long was the rope at the beginning? - Store
One meter of the textile was discounted by 2 USD. Now 9 m of textile cost as before 8 m. Calculate the old and new price of 1 m of the textile.
- Three co-owners
The three co-owners of the building company have earnings from a contract portioned in the ratio of 3:6:7. Each of them received the amount in the whole USD. One of them, on contract, earned 86450 USD. What were the total earnings for this order? - An amusement 2
An amusement park sells child and adult tickets at a ratio of 8:1. On Sunday, they sold 147 more child tickets than adult tickets. How many tickets did the amusement party sell on Sunday? - Find two 2
Find two decimals between 4.56 and 6.927 so that the difference between any two consecutive decimals is the same. - Sum and ratio
The sum and ratio of two numbers are equal to 10. Which numbers are they? - Decimal 4641
The sum of two decimal numbers, one of the numbers is 3.2, larger than the other, is 52.78.
- Two numbers 11
The sum of two rational numbers is (-2). If one of them is 3/5, find the other. - Determine the number
Determine the number x that x+8 is (7)/(5) from one half of 7 x -1. - Two fraction equation
Find the d value of q in equation 30/16=q/48. - Strange x
For what x is true x=19x? - A loan
A loan of $944 is charged simple interest at an annual rate of 8.1%. How much money is owed 14 months after the loan was made?
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Rational numbers - practice problems. Maths practice for 13 year olds.