The Johns sell apples at the market. The following table shows the variation in the price per kilogram of apples they sell and the quantity sold per day for one week. Monday: DAILY PRICE: 200; DAILY QUANTITY: 80
Tuesday: DAILY PRICE: 180; DAILY QUANTITY: 110
Wednesday: DAILY PRICE: 180; DAILY QUANTITY: 120
Thursday: DAILY PRICE: 180; DAILY QUANTITY: 130
Friday: DAILY PRICE: 220; DAILY QUANTITY: 100

How much did the Johns make selling apples this week?
What was the average price of apples this week?

we have,

total selling cost= daily price * quantity

so

for Monday;

total selling cost=200*80=16,000

for Tuesday

total selling cost=180*110=19,800

for Wednesday

total selling cost=180*120=21,600

for Thursday

total selling cost=180*130=23,400

for Friday

total selling cost=220*100=22,000

for Saturday and Sunday

total selling cost=0

now

How much did the Johns make selling apples this week?

Total cost=16,000+19,800+21,600+23,400+22,000=1,02,800

⇒the Johns made 1,02,800 by selling apples this week.

What was the average price of apples this week?

we have,

average price this week=

⇒the average price of apples this week was 14685.71

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.