Answer:
650 roast beef, 490 tuna 900 turkey
Explanation:
There are 4 weeks in a month
Roast beef = 152 in a week 4*152 = 608 in a month
Tuna = 114 in a week 4 * 114 = 456 in a month
Turkey = 209 in a week 4*209 = 836 in a month
We go a little higher since there is really a few more days than 28 in a month