Mathematics
wictoria
2021-02-23 03:17:42
I know It is really long but can you PLEASE HELP I NEED IT BY TONIGHT 4. Ms. Ann decides she wants to have dry ice to have a smoky effect for her birthday party. Ms. Ann visits the local dry ice distributor to talk to him about how to obtain, store, and use dry ice safely. (a) The distributor tells Ms. Ann that dry ice is not like regular ice. The temperature of dry ice can be anywhere between –109.3oF and –78.5oF. What is the range of temperature of dry ice? Show your work. (b) The distributor also tells Ms. Ann that they use a special freezer to store the dry ice. Dry ice is usually stored at –99oF. The average household freezer can only be set to –18oF at the lowest setting. How many times colder is the special freezer than an average household freezer? Show your work. (c) The distributor says his 5 smallest freezers are set at –86.4o F, –80.2oF, –84.1oF, –90.2oF, and –79.9oF. Record the numbers in order from least to greatest. (d) What is the average temperature of the distributor’s 5 smallest freezers? Show your work. (e) The highest temperature that is recommended for storing dry ice is –78.5oF. The distributor says that, because of the amount of dry ice he has, he stores his larger blocks of dry ice in the big freezer which is 15.5oF below that temperature. What is the temperature of the big freezer? Show your work. (f) The distributor suggests to Ms. Ann that she not store the dry ice in the freezer or the refrigerator because the huge difference in temperature might make the freezer or refrigerator shut down. Ms. Ann’s refrigerator is usually set at 35oF. What is the difference in temperature between Ms. Ann’s refrigerator and the distributor’s freezer? Show your work. (g)   The price list for the dry ice is below:   Dry Ice Price List 1 block (approximately 50 lb)..……………………………………..$30.50               1/2 block……………………………………………………………...$16.25                                                                                      1/4 block………………………………………………………………$10.50                                                                                         Pellets (8 lb bag) ……………………………………………………...$6.15   Ms. Ann has a credit for $54.18 that she wants to use. She wants to use as much of the credit as she can and she has no other money with her. What should she purchase from the list in order to use the most of her credit without going over and how much will she have left over on the credit? Show your work. 
ANSWERS
nanii1
2021-02-23 04:51:57

(a) Range is 109.3-78.5== 30.8 degree. (b) -99/-18==5.5 times (c) -90.2; -86.4; -84.1; -80.2; -79.9. (d) (-90.2-86.4-84.1-80.2-79.9)/5=-83~ (e) -78.5-15.5= -94oF (f) 94+35= 129oF different. (g) She would buy 1 block+1/2 block + 8lb bag. Sorry because I have to go. But with what i has done, i think you can do it. Good luck.

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