 
<translate> Ƙididdigar yadudduka na masana'anta mai laushi shine $ 75 / 7.50 = 10. Ƙididdigar yadudduka na zane mai laushi shine 45 / 7.50 = 6. Don haka, Vivi ta sayi jimillar 10 + 6 = 16 yadudduka na masana'anta. Amsar ƙarshe: 16. <eng> The total yards of the checkered fabric is $75 / 7.50 = 10. The total yards of the plain fabric is 45 / 7.50 = 6. So, Vivi bought a total of 10 + 6 = 16 yards of fabric.
The final answer: 16. 