1) In the diagram, BC and CD are straight lines and AB//DE. Find the value of x if ∠BCD = 158 and ∠CDE = 56  a) 34 b) 78 c) 22 d) 45 2) 25 workers can complete a project in 12 days. Assume their working rate is the same. How many more workers are needed to complete the same project 5 days earlier? a) 35 b) 24 c) 30 d) 5 3) The number 1000 is first decreased by 50%. The value obtained is then decreased by 20%. The final number is … a) 300 b) 400 c) 500 d) 700 4) Gladys has to pay $18 for 24 cups of milkshake. How many dollars does she have to pay for 36 cups of milkshake? a) $20 b) $24 c) $27 d) $30 5) Given ABCD is a rhombus, ∠ADB = 24°, DE is a straight line. Find ∠BCE. a) 24° b) 48° c) 56° d) 132°

Math Kls 7

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