Michelle has a starting balance on a gift card a for $300. she buys several dresses for $40 a piece. after her purchase she has $140 left on the gift card. how many dresses did she buy?

Need on this one asap im almost done with this subject

What is the value of x in the following equation? -3x-2=2x+8

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset