1) Simplify the ratio 8:12. a) 2:3 b) 4:6 c) 1:2 d) 3:4 2) What is the simplest form of 15:25? a) 3:5 b) 5:3 c) 1:2 d) 2:3 3) If 5 pencils cost $10, how much do 8 pencils cost? a) $16 b) $20 c) $15 d) $12 4) Simplify the ratio 18:24. a) 3:4 b) 2:3 c) 4:5 d) 6:8 5) What is the simplest form of 9:12? a) 3:4 b) 4:3 c) 2:3 d) 1:2 6) If 3 books cost $9, how much do 7 books cost? a) $21 b) $18 c) $27 d) $30 7) Simplify the ratio 10:15. a) 2:3 b) 3:2 c) 5:3 d) 1:2 8) What is the simplest form of 14:21? a) 2:3 b) 3:2 c) 1:3 d) 4:5 9) If 4 apples cost $8, how much do 10 apples cost? a) $20 b) $16 c) $18 d) $22 10) Simplify the ratio 16:24. a) 2:3 b) 3:4 c) 4:5 d) 1:2 11) What is the simplest form of 25:35? a) 5:7 b) 7:5 c) 3:5 d) 2:3 12) If 6 oranges cost $12, how much do 15 oranges cost? a) $30 b) $24 c) $28 d) $32 13) Simplify the ratio 30:45. a) 2:3 b) 3:5 c) 4:5 d) 1:2 14) What is the simplest form of 18:27? a) 2:3 b) 3:2 c) 4:5 d) 1:3 15) If 2 shirts cost $20, how much do 5 shirts cost? a) $50 b) $40 c) $45 d) $55

Ratios grade 9

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