16 dollars? could be wrong
Hi I hope you understand that I’m sorry to you and
Answer:
Red color= 28 balloon
Blue color= 14 balloon
White color= 7 balloon
Step-by-step explanation:
Given: There are 49 balloons
As given, there are 2 red balloon equal to the number of blue balloon
∴ 
Again given, there are 1/2 white balloon equal to the number of blue balloon.
∴ 
As above equation, we can understand that:

multiplying both side by 2
⇒ 
which mean, if we have 2 blue balloon then we will have 4 red and 1 white balloon.
∴ Total combination of all color of balloon= 
Now, checking how many number of times combination can we have in 49 balloon.

Next, finding number of balloon in each color.
Red color= 
Blues color= 
White color= 
The flagstones are 0.8*0.5=0.4 square meters. 169/0.4=422.5 tiles. 422.5 tiles multiplied by 1.2 for waste is 507 tiles, the amount that Liam should buy.
Answer:
Step-by-step explanation: