Marlee is knitting a scarf she records the length each day. Each day she knots more than the day before. How many more inches does marlee need to knit so the scarf is 30 inches

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⭐

answer: none of these answers are correct only the second half is

step-by-step explanation: