Number of Payphones
Payphones
The histogram shows the number of payphones that
were active by year in a large city. How many
payphones would you expect to be active between
1976 and 1980?
O over 200
between 150 and 200
between 50 and 100
fewer than 50
1981-1985
1986-1990
1991-1995
1996-2000
2001-2005
2006-2010
Date

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)