+0  
 
0
307
1
avatar

When Lara was 13 years old, she weighed 38 kg.
Two years later, her weight increased by 10%.
Find Lara's weight when she was 15 years old.

 

Lara is __ kg

I don't get it... help me please?

 Mar 23, 2021
 #1
avatar+2228 
0

 

When Lara was 13 years old, she weighed 38 kg.     
Two years later, her weight increased by 10%.     
Find Lara's weight when she was 15 years old.     

 

At age 13 Lara weighed 38 kg     

 

Her weight increased by10%                   10% of 38 kg     

                                                                  0.10 x 38 kg = 3.8 kg     

 

To find Lara's weight after the increase,     

add the increase to her original weight      38 kg + 3.8 kg  =  41.8 kg     

.     

 Jun 28, 2025

2 Online Users

avatar