Which describes a situation when an estimation is appropriate? A. Margo wants to buy a sweater for $15.98 and a pair of socks fo
r $1.98. She has $20. She wants to know if she has enough money to buy both. B. Margo buys a sweater for $15.98 and a pair of socks for $1.98. She gives the cashier $20. The cashier wants to know how much change to give Margo.
