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level: Level 9 - Ratio

Questions and Answers List

Question	Answer
What is the ratio of stars to circles?	6:4
What is the ratio of circles to stars?	4:6
What is the ratio of stars to shapes?	6:10
What is the ratio of circles to shapes?	4:10
What is the ratio of shaded to non-shaded squares?	3:2
What is the ratio of counters to marbles?	5:4
What is the ratio marbles to cubes?	4:3
What is the ratio of cubes to counters?	3:5
What is the ratio of pencils to rulers?	1:3
If the sides of the rectangle are increased by a scale factor of 2, what is the perimeter of the new rectangle?	32cm
Shape B is an enlargement of shape A by a scale factor of how much?	A scale factor of 3.
Shape C is an enlargement of shape A by a scale factor of how much?	A scale factor of 2.
Two triangles are similar. Find the length of side 'a'.	21cm
If side 'a' is 21cm, the smaller triangle is enlarged by a scale factor of how much?	A scale factor of 3.
Mr. Craig buys 6 cans of soda for 3 pounds. How much will 12 cans cost?	6 pounds.
Mr. Craig buys 6 cans of soda for 3 pounds. How much will 3 cans cost?	1 pound and 50 pence.
Mr. Craig buys 6 cans of soda for 3 pounds. How much will 15 cans cost?	7 pounds and 50 pence.