Isme se upsarg aur मूल shabd alag kijiye.
Pls help!!
It is so urgent

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )