Ava is 23 cm taller than olivia, and olivia is half the height of lucas. if lucas is 1.78 m tall, how tall are ava and olivia? express their heights in centimeters.

Given:

Question:

How tall are Ava and Olivia?

Express their heights in centimeters.

Problem solving:

From the information above, only Lucas's tall has known at 1.78 m.

Because Olivia is half the height of Lucas, then we must multiply Lucas's height with ¹/₂ to get Olivia's tall.

Or, we can halve Lucas's height as follows:

Thus, Olivia's height is

Next, we find out Ava's height.

Because Ava's is 23 cm taller than Olivia’s, then we must add Olivia’s height with 23 cm to get Ava's height.

Ava's height = 89 cm + 23 cm

Thus, Ava's height is

We have to express their height in centimeters. Recall that 1 m = 100 cm.

Conclusion

Keywords: Ava is 23 cm taller than Olivia, half the height of Lucas, 1.78 m tall, multiply, express their heights in centimeters.

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step-by-step explanation:

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