Three trains - one eastbound, one westbound, and one northbound - leave a city at the same time.

The speed of the northbound train is 20 miles per hour greater than the speed of the eastbound train.

After 9 hours, the distance between the westbound train and the eastbound train is 990 miles.

y=mx+

could

step-by-step explanation:

u send me a picture of ur work

answer: 10 turtles

step-by-step explanation: as turtles have four legs so 4.10=40 therefore birds are 4 which sue counted

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