Math practice for 13 year olds - page 29 of 421
Number of problems found: 8410
- Pet store 2
A pet store is having a prize giveaway. The spinner shows the type of toy a customer can win for their pet. Spinner is divided to 10 sections, and there are 5 cat sections. If a customer spins the spinner and it lands on a cat, they will win a free cat to - Simple form
Given ratio 45: 90 = Write the ratio in a Simple form - Write 7
Write an expression representing the distance between −7 and 3 on a number line. - Balloon
If a ceiling balloon rises at 120 m (about 400 ft) each minute, what is the ceiling of an overcast deck of stratus clouds 1500 m (about 5000 ft) thick if the balloon disappears into the clouds in 5 minutes? Show your solution. - The temperature 46
The temperature in Mumbai at 5 AM is 25 degrees Celsius. It rises 3 degrees Celsius every hour for the next two hours and then 5 degrees Celsius per hour for the next 3 hours. What is the temperature after 5 hours? - Percentage decrement
Decrease 360 by 10% - Circle graph
Erica surveyed students at her school about their favorite type of music. She made a circle graph to show the results. The central angle for the section of the graph that represents country music measures 72°. If 45 classmates chose the country as their f - Markdown February is sale month at the clothing store. All items are marked down 20 percent. If the sale price for a purse is $42, what was the price before the markdown?
- Water 70
Water is poured into a hemisphere-shaped bowl at a rate of 5m³ per second. If the bowl has a depth of 8m, how long does it take to fill up the bowl to the rim? - A right triangle
A right triangle has legs with lengths of 24 cm and 21 cm if the length of the hypotenuse, in cm, can be written in the form of 3 sqrt(d), then what is the value of d? - The temperature 45 The temperature in a field is 68°F at 4 PM. The temperature decreases by 4°F per hour. When will the temperature be 60°F?
- Forty 8
Forty students took the math test. Thirty-two students received an A, and the rest received a B. What percent of the students received a B? - A farmer
A farmer produces apples and pears in a ratio of 7:6. If she harvests 42 tonnes of apples, how many tonnes of pears does he produce? - School trip 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?
- Yoshi's
Yoshi's father gave him 200 Pokemon cards. Each week, Yoshi purchases 25 Pokemon cards to add to his collection. Which inequality can be used to find w, the number of weeks after starting his collection when Yoshi will have more than 750 Pokemon cards in - Share profit
1,2,3 & 4 share profit in the ratio of 4:5:2:3. Total profit is £ 70,000 . What is the actual profit each individual expects - Angles - triangle
Find the measure of the angles of the triangle ABC if: the measure of angle A is the measure of angle C and the measure of angle B =½ of the measure of angle C. - Paycheck Alex automatically deposited 70% of her weekly paycheck into a savings account. This week, $35 is deposited. Alex wants to know the total amount of her paycheck this week.
- 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?
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