Functions - practice for 14 year olds - page 4 of 137
Number of problems found: 2735
- Out of 2
Out of 270 students in 6th grade, only 60% are going on the field trip. How many students are NOT going on the field trip? - Sam thinks
Sam thinks the club needs more female members. The club has 66 members. The ratio of male to female club members is 5:1. How many members are female? - A chemist 2
A chemist has two alloys of bronze, one that is 12% tin and 88% copper and a second that is 10% tin and 90% copper. If these two alloys are melted and thoroughly mixed together, between what two values are the percent of tin in the mixture? - Pets stores
Pets Plus and Pet Planet are having a sale on the same aquarium. At Pets Plus, the aquarium is on sale for 30% off the original price, and at Pet Planet, it is discounted by 25%. If the sales tax rate is 8%, which store has the lower sale price? How much
- Pupils
There are 40 pupils in a class. 30% of them are boys. How many pupils in the class are girls? - Represent 14
Represent 10% as a fraction reduced to the lowest term. - General right triangle
In a right triangle, if a =x+34 and b = x and c= 50, then solve for x. Side c is a hypotenuse. Then discuss the case when a or b is a hypotenuse. - A shop 6
A shop sells cool drinks at R10 (Indian rupees) each, excluding 15% VAT. What is the price of the cool Drink, including VAT? - After 9
After reducing the price by 10%, the dress costs 270 GEL. What was the cost of the dress before it got cheaper?
- Miloš
Miloš and Martin helped water the new vineyard. They had to carry water from the well in buckets. How did they divide the 20-euro reward if Miloš applied 20 buckets and Martin 30 buckets? - Joey had
Joey had 70% of his money in a savings account. The rest of his money was in a cheque account. (a). What percentage of his money was in his cheque account? (b). He had $240 in his cheque account. How much money did he have in his savings account? - Bank deposits
At the end of each quarter, Patti deposits $1,400 into an account that pays 10% interest compounded quarterly. How much will Patti have in the account in three years? Note: Use tables, Excel, or a financial calculator round your final answer to the neares - The angles 4
The angles of a triangle are divided into the ratio 126: 213: 312. If the three angles sum to 180°, find the size of each of the three angles. - A function
A function follows the rule "y is 3 less than half of x". Express y as a function of x in the form of an equation.
- A potato
A potato farmer incurred a total cost of $1600 and $2500 from producing 5 and 8 potato bags, respectively, in 2 separate weeks. Find the cost of x bags. - Heat energy
Energy is measured using the unit Joule (J). Temperature is measured using the unit degree Celsius °C). To increase the temperature of 1 liter of water by 1°C, 4200 J of heat energy is required. (a) Kelly wants to increase the temperature of 2 liters of w - Amy, Cindy
Amy, Cindy, and John shared a sum of money among themselves in the ratio of 5:8:11, respectively. If the money had been divided equally among themselves, Amy would have received an extra $18. (a) Would the amount of money that Cindy received change? Expla - Jake desires
Jake desires to purchase a house valued at 3000000. The bank approves his mortgage with a 12% deposit and 5% interest. What is the deposit? - Emu vs. Ostrich
The ostrich and the emu are the two largest birds. An emu is usually 1/2 the size of an ostrich. The sum of their heights is 150 inches. How tall is the average ostrich?
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Functions - practice problems. Maths practice for 14 year olds.