Question

A large rectangular card measures 80 centimetres by 90 centimetres.

Answer 1

1200 cards

All measurements should be taken in centimeters

Calculate the area of large rectangular card:

• Length * Width

• 80 * 90

• 7200 cm²

Calculate the area of each small cards:

• Length * Width

• 4 * 1.5

• 6 cm²

Divide the area of large card by area of small card

• 7200 cm² ÷ 6 cm²

• 1200

Number of small cards: 1200 cards

Answer 2

For bigger rectangle:-

• L=90cm
• B=80cm

Area:-

• LB
• 90(80)
• 7200cm²
• 720000mm²

For smaller rectangle

• L=40mm
• B=15mm

Area:-

• LB
• 40(15)
• 600mm²

Total cards:-

• 720000/600
• 1200cards