Answer:
12
Explanation:
The 5 part of the ratio relates to 30 short- sleeved shirts.
Divide by 5 to find the value of 1 part of the ratio
30 ÷ 5 = 6 ← value of 1 part , then
2 parts = 2 × 6 = 12 ← long- sleeved shirts
12 long sleeved
30 / 5 = 6
6 x 2 = 12
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