What is 9/10 ÷ 2/5 * 1 point 9/4 18/50 4/9 50/18

To solve the expression 9/10 ÷ 2/5, we can multiply by the reciprocal of 2/5, which is 5/2.

(9/10) * (5/2)

Simplifying, we have:
(9 * 5) / (10 * 2)
45/20

Simplifying the fraction further, we can divide both the numerator and the denominator by 5:
9/4

So, 9/10 ÷ 2/5 equals 9/4.