# MATH

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Use cross products to see if each pair of ratios forms a proportion. Replace each box with = or ≠.
1.
seven-fifths and fifteen-tenths (

=

2.
six-eighths and fifteen-twentieths

=

Solve each problem.
3.
two-thirds equals twelve over x

x = 18
x = 12
x = 36
x = 8

4.
six-elevenths equals eighty-four over x

x = 40
x = 120
x = 254
x = 154

5.
twenty-two miles over fifty-five hours equals twelve miles over h hours

48
30
45
22

• MATH -

1. ≠

• MATH -

six-eighths and fifteen-twentieths

• MATH -

1. is unequal to
2. is equal to
3. 36
4.IDK yet
5.IDK yet

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