To be able to go on the band trip, four band members each get a part-time job. each person has 5 weeks in which to save his or her money. analyze the four individual plans below and decide which of the four people will reach his or her goal of saving $285? member a: works 8 hours per week at $6.15 per hourmember b: works 10 hours per week at $5.85 per hourmember c: works 7 hours per week at $7.25 per hourmember d: works 9 hours per week at $6.35 per hour
a. a and bb. a and cc. b and cd. b and d

B and D

Step-by-step explanation:

Each person has 5 weeks in which to save his or her money. The total amount of money that each member needs to save is $285

Member A works 8 hours per week at $6.15 per hour. Total number of hours in 5 weeks is 8 × 5 = 40 hours.

Total amount earned in 5 weeks would be

40 × 6.15 = $246

Member B works 10 hours per week at $5.85 per hour. Total number of hours in 5 weeks is 10 × 5 = 50 hours.

Total amount earned in 5 weeks would be

50 × 5.85 = $292.5

Member C: Works 7 hours per week at $7.25 per hour. Total number of hours in 5 weeks is 7 × 5 = 35 hours.

Total amount earned in 5 weeks would be

35 × 7.25 = $253.75

Member D works 9 hours per week at $6.35 per hour. Total number of hours in 5 weeks is 9 × 5 = 45 hours.

Total amount earned in 5 weeks would be

45 × 6.35 = $285.75

Member B and member D would reach their goals.

step-by-step explanation:

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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