which is the best estimate of $\frac{90}{7}div1\frac{3}{4}$?\n2\n6\n12\n24

Explanation:

Step1: Estimate $\frac{90}{7}$

$\frac{90}{7}\approx\frac{84}{7}=12$ (since 84 is close to 90 and divisible by 7).

Step2: Estimate $1\frac{3}{4}$

$1\frac{3}{4}\approx2$ (rounding $\frac{3}{4}$ up to 1).

Step3: Divide the estimates

$12\div2 = 6$

Answer:

6