Andrea reads 20 pages an hour. Which expression below represents how many pages Andrea would read in h hours?A.0hB6.20hC.20 + 60 + hD.20 + h

20h

Explanation:

The proper equation would be 20h, as if Andrea reads 20 pages per hour, you simply multiply by the number of hours she's been reading to find the number of pages she's read.

For example, if Andrea was to read for 3 hours, she would have read 60 pages as 20*3 = 60

Hope this helps!

c.) slabs of ocean floor return to the mantle in subduction zones.