Thenmozhi’s height is 1.25 m now. She grows 5 cm every year. What would be her height after 6 years ?

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Solution

Thenmozhi’s present height is 1.25 m

Rate of growth per year = 5 cm

Her growth in 6 years = 6 $\times$ 5 cm = 30 cm

After 6 years her height = 1.25 m + 30 cm

= (1.25 $\times$ 100) cm + 30 cm

= 125 cm + 30 cm

= 155 cm

$∴$ After 6 years Thenmozhi’s height will be 155 cm

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Thenmozhi’s height is 1.25 m now. She grows 5 cm every year. What would be her height after 6 years ?

Thenmozhi’s present height is 1.25 m Rate of growth per year = 5 cm Her growth in 6 years = 6 × 5 cm = 30 cm After 6 years her height = 1.25 m + 30 cm = (1.25 × 100) cm + 30 cm = 125 cm + 30 cm = 155 cm ∴ After 6 years Thenmozhi’s height will be 155 cm

Thenmozhi’s present height is 1.25 m

Rate of growth per year = 5 cm

Her growth in 6 years = 6 $\times$ 5 cm = 30 cm

After 6 years her height = 1.25 m + 30 cm

= (1.25 $\times$ 100) cm + 30 cm

= 125 cm + 30 cm

= 155 cm

$∴$ After 6 years Thenmozhi’s height will be 155 cm