Errol works as a delivery driver for Uber Eats, he uses the expression 50 + 7.50e to keep track of his wages. His sister Cheryl works for DoorDash, she uses the expression 25 + 8.75d. They want to buy their mother a present for her birthday, and plan on putting their money from this week together. Determine the expression that represents their total earnings.

Errol: 70.3871137134

Cheryl:48.784965999

75+7.50e+8.75d

Step-by-step explanation:

50+7.50e+25+8.75d

Combine like terms

75+7.50e+8.75d = total earnings

0.85 or 85%

step-by-step explanation:

1) divide 23 by 27

2) round the decimal to the nearest 10

3) so your answer would be 0.85 or 85%

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points