Back view of multicultural schoolgirls writing mathematical equations on chalkboard — Stock photos

"Back view of multicultural schoolgirls writing mathematical equations on chalkboard" is a stock image by IgorVetushko. It’s available in the following resolutions: 1000 x 668px, 2000 x 1335px, 9200 x 6141px. The minimum price for an image is 2.99$. Image in the highest quality is 9200 x 6141px, 300 dpi, and costs 9.99$.