EA Two-Part Analysis 3

Question 1

A blend of two coffees: Type A costs $8/lb and Type B costs $5/lb. A 10 lb blend costs $6.50/lb total. How many pounds of each type are in the blend?

Accepted Answer

A=5 lbs, B=5 lbs

Answer

A=4 lbs, B=6 lbs

Answer

A=6 lbs, B=4 lbs

Answer

A=3 lbs, B=7 lbs

Question 2

A fund earns simple interest. $20,000 invested earns $3,600 over 3 years. What is the annual interest rate AND the total value after 3 years?

Accepted Answer

Rate=6%, Value=$23,600

Answer

Rate=6%, Value=$23,816

Answer

Rate=9%, Value=$23,600

Answer

Rate=4%, Value=$22,400

Question 3

A company's workforce is 60% full-time and 40% part-time. Full-time employees earn $70K/yr and part-time earn $30K/yr. The company has 100 employees. What is the total annual payroll AND average salary?

Accepted Answer

Payroll=$5.0M, Average=$50K

Answer

Payroll=$5.4M, Average=$54K

Answer

Payroll=$4.8M, Average=$48K

Answer

Payroll=$5.2M, Average=$52K

Question 4

Candidate A scores 85% on a 100-question test and Candidate B scores 72% on a 150-question test. How many questions did A get right AND how many more questions did B get right than A?

Accepted Answer

A=85, B got 23 more right

Answer

A=85, B got 13 more right

Answer

A=85, B got 30 more right

Answer

A=72, B got 23 more right

Question 5

A project timeline has two parallel tracks. Track 1 has tasks of 3, 5, and 4 days. Track 2 has tasks of 6 and 6 days. What is Track 1's total duration AND the critical path duration (longer track)?

Accepted Answer

Track 1=12 days, Critical=12 days

Answer

Track 1=12 days, Critical=12 days — both equal

Answer

Track 1=12, Critical=12

Answer

Track 1=10 days, Critical=12 days

Question 6

A price increases from $120 to $150. Demand falls from 200 to 170 units. What is the percent price increase AND the price elasticity of demand?

Accepted Answer

Price increase=25%, Elasticity=-0.6

Answer

Price increase=20%, Elasticity=-0.6

Answer

Price increase=25%, Elasticity=-0.5

Answer

Price increase=20%, Elasticity=-0.75