1. Ellen said she spent half her money for lunch and half of what was left for a movie. She now has $1.20. How much did she spend for lunch?

Ellen spent $2.40 on her lunch.

Step-by-step explanation:

Let,

x be the total amount Ellen had.

Amount spent on lunch =

Amount left after lunch =

Amount spent on movie =

Amount she has left = $1.20

Total amount = Lunch amount + Movie amount + Amount left

x =

Amount spent on lunch = = $2.40

Hence,

Ellen spent $2.40 on her lunch.

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step-by-step explanation:

answer: the sun

explanation:

water cycle describes the evaporation of water from earth's surface, formation of clouds and precipitation water back onto the surface of earth. seventy percent of the earth is covered with water in the form of seas and oceans. the heat of the sun causes the evaporation of water from the surface of the ocean. the water vapors rise and condense to form water droplets. the collection of these water droplets form clouds which rain down again.

the evaporation of the oceans surface water as part of the water cycle is caused by the sun