In his phone gallery, Malachi has the number of selfies he took last year and this year in the ratio of 10:17. If he has 2430 photos in his gallery, how many more photos did he take this year than last year?
How many photos are in the Malachi gallery? ** The total ratio representing the number of photos in the Malachi gallery is 10+17=<<10+17=27>>27
How many more photos did Malachi take this year than last year? ** The difference in the ratios representing the number of photos Malachi took this year and last year is 17-10=<<17-10=7>>7.
How many more photos did Malachi take this year than last year? ** This year, Malachi took 7/27*2430= <<7/27*2430=630>>630 more photos than he took last year.
#### 630