Answer:
450
Step-by-step explanation:
When dividing with fractions (or decimals, you should change them to a fraction if it makes you feel more comfortable), use the KCF method
Keep. Change. Flip.
Keep 90, change the ÷ to ×
Flip 0.2 (2/10) to 10/2 or 5
90 x 5 = 450
