Watch video The result of increasing the quantity x by 400% is 60. What is the value of x? (SAT math percentage) online without registration, duration 02 minute 58 second in high hd quality. This video was added by user bprp math basics 06 June 2024, don't forget to share it with your friends and acquaintances, it has been viewed on our site 7 thousand once and liked it 313 people.