Alejandra wants to buy 12 ounces of gluten-free edible cookie dough that costs $1.25 per ounce. Select all equations that correctly represent how much Alejandra will pay for her cookie dough, y.

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐