Answer:
5 tubes of blue paint are used for 15 tubes of white paint.
Step-by-step explanation:
Given:
To paint a mural painter uses 2 tubes of blue paint for every 6 tubes of white paint
Hence,
6 tubes of white paint = 2 tubes of blue paint
Now we need to find number of blue paint tubes used for 15 tubes of white paint.
6 tubes of white paint = 2 tubes of blue paint
15 tubes of white paint = number of blue paint tubes used for 15 tubes of white paint
Hence we will used unitary method to find the same;
Number of blue paint tubes used = [tex]\frac{15\times 2}{6} = \frac{30}{6}=5[/tex]
Hence 5 tubes of blue paint are used for 15 tubes of white paint.