Forming and Solving Equations
- 1. The perimeter of the triangle is 31 cm. (b) Work out the value of x.
A) 4cm
B) 8cm
C) 7cm
D) 5cm
E) 6cm
- 2. Given the rectangle has a perimeter of 43 cm find the value of x.
A) 5.4cm
B) 6.4cm
C) 3.6cm
D) 5.8cm
E) 4.5cm
A) 54
B) 76
C) 64
D) 36
E) 70
- 4. Work out the value of x.
A) 3cm
B) 4cm
C) 7cm
D) 8cm
E) 9cm
- 5. Work out the value of x.
A) 34.7
B) 41.5
C) 76.4
D) 23.8
E) 43.6
- 6. Find the perimeter of the rectangle.
A) 45cm
B) 70cm
C) 52cm
D) 42cm
E) 62cm
- 7. The perimeter of the rectangle is equal to the perimeter of the triangle. Find the value of x.
A) 5
B) 6
C) 9
D) 3
E) 7
A) 200cm2
B) 320cm2
C) 140cm2
D) 130cm2
E) 100cm2
- 9. Adam has some marbles. Bradley has twice as many marbles are Adam. Chris has 5 more marbles than Bradley. In total they have 55 marbles. How many marbles does Chris have?
A) 20
B) 64
C) 25
D) 23
E) 16
- 10. Lucy is three times as old as Alex. Lucy is 7 years older than Megan. The sum of their ages is 126. Find the ratio of Alex’s age to Lucy’s age to Megan’s age.
A) 29:57:40
B) 19:27:40
C) 62:53:50
D) 49:27:50
E) 19:57:50
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