Mark earned $240 in the first week and earns $680 in the fifth week. How much will he earn in the 20th week (suppose his earning

Question

2 years ago

11

s each week have the same increase)

2 answers:

Irina18 [472] · Answer 1 · 2021-12-08T08:31:50+03:00

6 0

Answer:

$ 2330

Step-by-step explanation:

a = $240

Earning at the end of fifth week = $ 680

increase in earnings per weak = ( 680 -240)/2 = 440/2 =110

d =110

l = a + (n-1)d

a20 = 240 + (19 * 110 ) = 240 + 2090 = 2330

Agata [3.3K] · Answer 2 · 2021-12-08T10:08:59+03:00

6 0

Answer:2334

Step-by-step explanation: