Which ratio is equivalent to the unit rate
30 miles
1 gallon
? how was the unit rate transformed into the equivalent ratio?
a)
3 gallons
10 miles
; by dividing the numerator and denominator of the unit rate by 10.
b)
90 miles
5 gallons
; by multiplying the numerator and denominator of the unit rate by 3.
c)
6 gallons
180 miles
; by multiplying the numerator and denominator of the unit rate by 2.
d)
180 miles
6 gallons
; by multiplying the numerator and denominator of the unit rate by 6.

a computer programmer worked 12 hours and earned $510. what is the hourly rate?
a)
$42.50
1 hour
b)
$47.25
1 hour
c)
$50.00
1 hour
d)
$41.25
1 hour

a furniture factory can box a desk chair in 15 seconds. what is the rate per minute?
a) 2 chairs per minute
b) 3 chairs per minute
c) 4 chairs per minute
d) 5 chairs per minute

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

5x−4≥12 or 12x+5≤−4 can you with this problem

1. an economy consists of three workers: larry, moe, and curly. each works 10 hours a day and can produce two services: mowing lawns and washing cars. in an hour, larry can either mow one lawn or wash one car; moe can either mow one lawn or wash two cars; and curly can either mow two lawns or wash one car. a. calculate how much of each service is produced under the following circumstances: a. all three spend all their time mowing lawns. b. all three spend all their time washing cars. c. all three spend half their time on each activity d. larry spends half of his time on each activity, while moe only washes cars and curly only mows lawns b. using your answers to part a, draw a production possibilities frontier and label points a, b, c, and d on your graph. explain why the production possibilities frontier has the shape it does. c. are any of the allocations calculated in part a inefficient? explain.