Question

A bean plant was 1.5 meters high one week ago. In 7 days it grew 15 centimeters. Find the current height of the bean plant. what is it?

Answer 1

Answer:

1.65 metres

Explanation:

Previously, the height was 1.5 metres. Then the plant grew 15 centimetres. Unfortunately, we cannot just add 15 to 1.5 because metres and centimetres are different. We must convert centimetres into metres.

There are 100 cm in 1 m, so let's set up a proportion:

$\frac{100}{1} =\frac{15}{x}$, where x is the number of metres in 15 cm

Cross-multiply:

100 * x = 15 * 1

100x = 15

x = 0.15 metres

Now, add 0.15 to 1.5:

1.5 + 0.15 = 1.65 metres

Hope this helps!