Final answer:
To buy at least 230 yogurts sold in packs of 4, one needs to divide 230 by 4 yielding 57.5, which rounds up to 58 packs needed.
Step-by-step explanation:
To determine how many packs of yogurt someone needs to buy, a basic division operation is necessary. When 230 yogurts are desired and they are sold in packs of 4, to find the total number of packs required, you would divide the total number of yogurts by the number of yogurts per pack.
Step 1: Divide 230 yogurts by 4 yogurts per pack.
Calculation: 230 ÷ 4 = 57.5 packs.
Step 2: Since you cannot buy half a pack of yogurt, you would need to round up to the next whole number.
Round up: You round 57.5 up to 58 packs.
Therefore, one would need to buy 58 packs of yogurt to get at least 230 yogurts.