# Examples for 7th grade (seventh) - page 87

1. MG=7x-15, MG=7x-15, FG=33, x=? Point M is the midpoint of FG. Find unknown x.
2. Without 2 Without multipying, tell whether the product 0.644 x 0.25 will be greater than 1 or less than 1? Explane how you know. Then find the product.
3. Evaluate expression 2 Evaluate expression with negatives: (-3)+4+(-8)+(-6)+4+(-1)
4. Mixing Celsius and Fahrenheit Add up three temperatures: 5°F +6°F +0°C
5. Solid food Stacie is a resident at the medical facility where you work. You are asked to chart the amount of solid food that she consumes. For the noon meal, today she ate 1/2 of a 3-ounce serving of meatloaf, 3/4 of her 3-ounce serving of mashed potatoes, and 1/3 of
6. Round-trip A woman works at a law firm in city A which is about 50 miles from city B. She must go to the law library in city B to get a document. Find how long it takes her to drive​ round-trip if she averages 40 mph.
7. Ping time Calculate theoretical ping time between Orlando and Shenzhen which is 14102 km distant. Ping time measures the round-trip time for small messages sent from the origin to a destination that is echoed back to the source. The name comes from active sonar term
8. Which Which decimals when subtracted equal 3.89: a - b = 3.89
9. A tile A tile setter is covering 5ft by 5ft square shower wall. Each tile covers 4 5/8in by 4 5/8in square. How many rows of tile are needed to reach 5ft? How many tiles are needed to cover 5ft by 5ft square
10. Temperature difference 2 The temperature in London on new year’s day is -2 degree Celsius. The temperature in Moscow on the same day is -14 degree Celsius, what is the temperature difference between the two cities?
11. Reciprocal equation 3 Solve reciprocal equation: 1/2 + 2/3=1/x
12. The quotient The quotient of g and 55 is the same as 279. What is g?
13. Cube root For 13, Sam wrote 2891 instead of the correct cube number. By how much was he wrong?
14. Find unknown Find unknown numerator: 4/8 + _/8 = 1
15. Rectangle 45 The perimeter of a rectangle is 60cm. If the length of the rectangle is 20cm. a)find the width b)find the area.
16. Soccer team Hilahs soccer team is trying to raise \$2414 to travel to a tournament in Florida, so they decided to host a pancake for the breakfast. How many people need to attend their breakfast in order to raise \$2414, if profit per one pancake is \$1.5?
17. Given Given 2x =0.125 find the value of x
18. Divide 5 Divide 288 in the following ratio 3 : 4 : 5
19. Trevor Trevor wishes to tile the floor of his bathroom. The bathroom is rectangular and is 4.2m long and 3.3m wide. The tiles are 30cm by 30cm. Calculate the cost to tile the floor if each tile costs 72 cents.
20. Walking Lucie can walk about 3 4/5 miles each hour. How far can she walk in 2 hours 45 minutes?

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