Which expression is the best estimate of 1 1/4 • 3 2/3 ? a) 2 •4 b) 1 •4 c)2•3 d) 1•3

B) 1·4  

Step-by-step explanation:

When you are estimating with mixed numbers, you should round them off to the closest integers that you can work with in your head.

1¼ is close to 1

3⅔ is close to 4

1¼ × 3⅔ is close to 1 × 4  

addition

step-by-step explanation:

its 60

4 x 12 = 48

3 x 4 = 12

48 + 12 = 60

yeeeet