DESIGN OF AGGREGATE BLEND 5 million ESAL traffic load, 19 mm max. nom. aggr. size GIVEN: Data for 3 aggregate blends
Data Blend
1 2 3
Gmb 2.457 2.441 2.477
Gmm 2.598 2.558 2.664
Gb 1.025 1.025 1.025
Pb (%) 5.9 5.7 6.2
Ps (%)
Pd (%) 4.5 4.5 4.5
Gsb 2.692 2.688 2.665
hini (mm) 125 131 125
hdes (mm) 115 118 115
1. Fill in the missing Percent Stone in the table above.
2. Fill in the volumetric values for the 3 aggregate blends in table above.
3. Fill in the criteria and then select the best design aggregate blend.

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Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening. a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number. include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i. e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?