Question

this map shows the path of totality during the 2017 solar eclipse. observers outside the path of totality experienced a partial solar eclipse. the black and yellow symbols on the map indicate the obscuration, or the percent of the sun blocked from view by the moon, in places outside the path of totality. for example, find los angeles on the map. you can see that over 60%, but less than 80%, of the sun was blocked from view by the moon at the peak of the eclipse. from which of the following cities could you have seen the moon block over 80% of the sun on august 21, 2017? select all that apply. washington, dc dallas, tx sacramento, ca chicago, il submit work it out

Explanation:

Check each city on the map for obscuration percentage. Washington, DC has no percentage marked (assume not over 80%), Dallas, TX has no percentage marked (assume not over 80%), Sacramento, CA has no percentage marked (assume not over 80%), Chicago, IL has 80% marked (but the question is over 80%, however, if we assume the 80% symbol is for over 80% in the context of the problem's example which says "over 60%, but less than 80%" for a certain symbol - maybe a mis - symboling, or if we consider that in the problem's logic, the 80% symbol is for over 80% (a possible error in problem setup).

Answer:

Chicago, IL