A town has six flower shops. Their one-year sales figures are compared in the chart. Find the ratio of sales at Radio Flowers to those at Sifter's.

Store
One-Year
Sales (5)
Corolla and Sons
140 thousand
Winnie-the-Florist
330 thousand
Radio Flowers
420 thousand
Flowers of Distinction
700 thousand
Sifter's
790 thousand
Gorilla Flowers
980 thousand

To find the ratio of sales at Radio Flowers to those at Sifter's, we need to divide the sales at Radio Flowers by the sales at Sifter's.

The sales at Radio Flowers are 420 thousand.
The sales at Sifter's are 790 thousand.

Therefore, the ratio of sales at Radio Flowers to those at Sifter's is:

420,000 / 790,000 = 42/79.