a student has time to read 40 sheets of math and 30 sheets science or in the same time they can read 30 sheets of

a student has time to read 40 sheets of math and 30 sheets science or in the same time they can read 30 sheets of

math and 60 sheets of science. How many pages of science could the student read if they spent all their time on reading science and none on math?

Suppose the total time the student have is 1. He spends Xunit of time for reading per page of math. junit of time forreading per page of science.40*+30 1 = 18x + 601= 230 * + 60 7 730x+ boy...