Answer:
6 hours
Step-by-step explanation:
Set up a proportion:
15kg/5 hrs = 18kg/x hrs
Cross multiply:
5(18)=15x
90 = 15x
Divide by 15:
90/15 = x
6 = x
Answer:
21
Step-by-step explanation:
Answer:
sup
Step-by-step explanation:
B.FG
C.GH
D.HE
Answer: C. GH
Step-by-step explanation:
Given: Rectangle ABCD is similar to rectangle EFGH.
Side AB is corresponding to EF [First two letters]
Side BC is corresponding to FG [Middle two letters]
Side CD is corresponding to GH [Last two letters]
Side AD is corresponding to EH [First and last letter]
We know that the corresponding sides of the similar figures are proportional.
Therefore, we can see that Side CD is proportional to side GH.
y = 2x + 10
If the two equations are graphed, at what point do the lines representing the two equations intersect?
(−4, 2)
(4, 2)
(−2, 4)
(2, 4)
A student solved the problem this way.
gallons = 2.5 gallons
Let n represent the amount Teresa spent on the milk.
n = 2.5 × $4.50
n = $11.25
Teresa spent $11.25.
Use a similar strategy to solve this problem.
Pedro bought lb of red sand and lb of brown sand to refill his sand box. Both types of sand cost $4.60 a pound.
How much did Pedro spend on the sand? Read the complete problem before answering.
Gilles had gallon of paint. How many quarts of paint did Gilles have? 2. (1 gallon = 4 quarts)
A student solved the problem this way.
1 gallon = 4 quarts
Multiply the number of gallons by 4.
gallon = 2 quarts
Use a similar strategy to solve this problem.
Barbara made a punch by mixing quarts of ginger ale with quarts lemonade.
How many pints of punch did Barbara make? (1 quart = 2 pints) 3.Read the complete problem before answering.
Mark had a ribbon that measured yards. How many feet of ribbon did Mark have? (1 yard = 3 feet)
A student solved the problem this way.
1 yard = 3 feet
Multiply the number of yards by 3.
yards = 13 feet
Use a similar strategy to solve this problem.
Julie had two strips of Velcro that measured yards and yards.
How many feet of Velcro did Julie have? (1 yard = 3 feet) Read the complete problem before answering.
Patty had gallons of milk left in the refrigerator. How many quarts of milk did Patty have left? (1 gallon = 4 quarts)
A student solved the problem this way.
1 gallon = 4 quarts
Multiply the number of gallons by 4.
gallons = 9 quarts
Use a similar strategy to solve this problem.
Isaac jogged for hours in the morning and hours during lunch.
How many minutes did Isaac jog that day? (1 hour = 60 minutes)