The expression which shows the amount of money, in dollars Maddie spent on mailing letters in March is 3.7 +0.74 y.
Given Maddie mailed y letters in January. She mailed 3 times as many letters in February. In March she mailed 10 letters more than half of what she mailed in January and February.
Expression is combination of numbers, symbols, fraction, coefficients which are not found in equal to form.
Letters mailed in January=y
Letters mailed in February=3y
Letters mailed in March=10+(y+3y)/2
=10+2y
Amount of mailing of 1 letter=$0.37.
Amount of mailing of letters in March=0.37(10+2y)
=3.7+0.37*2y
=3.7+0.74y
Hence the expression which shows the amount of letters mailed in March is 3.7+0.74 y.
Learn more about expression at brainly.com/question/723406
#SPJ4
James has 21,900 g of sand because 14,500 + 7,400 = 21,900.
Answer:
Given: Ellentown college has approximately 3 times 10 to the 3 power students and pengrove university approximate 30,000 students.
⇒ number of students approximately in Ellentown college = 
also,
the number of students approximately in Pengrove university = 30,000 or 
We have to find how many times as much is the number of students at pengrove university as the number of students at Ellentown college.
= 
therefore, 10 times as much is the number of students at pengrove university as the number of students at Ellentown college.
Answer:
x= 5.75$
Step-by-step explanation:
23 divided by 4 = 5.75$ (without the discount it is 10.75$)
Answer:
54
Step-by-step explanation:
27pages=4.5minutes



324pages=54minutes
Hence, the printer can print 324pages in 54 minutes