Only blue and white vans are made at a factory. - id10432694 от jaylene12345678910 12.04.2023 05:21

Question

Mathematics: Only blue and white vans are made at a factory. The ratio of the number of blue vans to the number of white vans is 4 : 3 write down the fraction of vans that are blue

jaylene12345678910 · Accepted Answer

Set up a system of equations like this, where "k" represents a kolache and "d" represents a donut:

$\left \{ {{6d +2k = 8.84} \atop {k+4d = 5.36}} \right.$

We're solving for d. First, we can rearrange the second equation to have it equal k:

k + 4d = 5.36