A person is able to build 2.5 cars per day. How many cars can the person build in 16 and 1/2 days? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

To solve the expression given 𝑋=4X=4 and 𝑌=6Y=6, substitute these values into the expression and simplify step by step.

The expression is:

(4𝑋+3𝑌−8)−3(2𝑋−𝑌+2)

Substitute 𝑋=4 and 𝑌=6:

(4⋅4+3⋅6−8)−3(2⋅4−6+2)

Calculate the inner values:

(16+18−8)−3(8−6+2)

(26)−3(4)

Now calculate further:

26−12

This simplifies to: 14

So, the correct answer is: 14

To find average items to be sold per day, divide the total items to sell by number of selling days remaining.

Averageitemsperday=TotalitemstosellNumberofsellingdays

Substitute the given numbers into the formula:

Items to sell – 63

Number of selling days – 18

Averageitemsperday=

Now, perform the division:

Averageitemsperday=3.5

Since all the items are not in fraction, round up to the next whole number.

Thus, the salesman needs to sell an average of 4 items per day.

The correct answer is: B 4

To multiply mixed numbers 3and 2​, first convert each mixed number to an improper fraction.

Convert 3and 2​​ to improper fractions:

3= 3 + = =

2​ = 2 + ==

Next, multiply the two improper fractions:

​ ×

=

To reduce​ to its lowest terms, we find the greatest common divisor (gcd) of 385 and 55. Both 385 and 55 are divisible by 55:

= 385÷55 ​= 7

The correct answer is: A 7

To multiply fractions;

1. Multiply the numerators together:

39×6=234

2. Multiply the denominators together:

54×13=702

Thus, the product of the fractions is​.

Next, simplify​:

1. Calculate the greatest common divisor (GCD) of 234 and 702. Both numbers are divisible by 234:

234÷234=1

702÷234=3

The simplified product of the fractions is​.

Thus, the correct answer from the provided choices is: D 1/3