3 years ago

Work out the percentage change to 2 decimal places when a price of £110 is decreased to £98.

Mathematics

1 answer:

djyliett [7]3 years ago

8 0

Answer:

10.91% decrease

Step-by-step explanation:

98/110 x 100 = 89.090909

100 - 89.0909 = 10.909090 to 2dp is 10.91%

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teri and her friends bought a party size sandwich that was 7/9 yard long. they ate 2/3 of a yard. what part of the yard was left

Marysya12 [62]

Teri had 7/9 of a sandwich, you need to find a common denominator for 2/3. Multiply 2/3 by 3 which is 6/9. (6/9 is how much they ate) Then you subtract 7/9 by 6/9 (7/9-6/9=1/9)
Answer:1/9 of a yard

I hope this helped.. not much of a teacher hahah :)

6 0

3 years ago

What is the area of a circle with diameter 8cm? Round your answer to the nearest tenth. use pi= 3.14

hodyreva [135]

Answer:

50.2 square cm

Step-by-step explanation:

Diameter = 8 cm

Radius = 8/2 = 4 cm

$area \: of \: circle = \pi {r}^{2} \\ = 3.14 \times {4}^{2} \\ = 3.14 \times 16 \\ = 50.24 \: {cm}^{2} \\ = 50.2 \: {cm}^{2}$