﻿ Algebra Word Problems - Page 4 | Problems & Solutions

# Algebra Word Problems - Page 4

Algebra Word Problems
• Page 4
31.
Solve the proportion $\frac{5}{6}$ = $\frac{35}{c}$, using the cross product property.
 a. 44 b. 47 c. 42 d. 40

32.
Charlie bought 3 pizzas for $2.5. How much does he pay to buy 6 pizzas? Use proportions to find the amount.  a.$15 b. $4 c.$5 d. \$6

33.
Solve the proportion $\frac{3}{4}$ = $\frac{27}{c}$ using the cross product property.
 a. 34 b. 41 c. 36 d. 38

34.
Solve the proportion $\frac{3}{x}$ = using the cross product property.
 a. 10 b. - 10 c. 9 d. - 9

35.
Solve the proportion $\frac{4}{x}$ = using the cross product property.
 a. 5, - 4 b. 10, - 8 c. - 10, 8 d. - 5, 4

36.
Given the pair of ratios:
(i) $\frac{15}{19}$, $\frac{9}{13}$ (ii) $\frac{51}{79}$, $\frac{25}{47}$
(iii) $\frac{8}{11}$, $\frac{88}{121}$ (iv) $\frac{37}{82}$, $\frac{32}{71}$
Find the pair which forms a proportion.
 a. (ii) b. (i) c. (iv) d. (iii)

37.
Determine the pair of ratios which forms a proportion.
 a. $\frac{7.5}{10}$, $\frac{18}{24}$ b. $\frac{7}{5}$, $\frac{20}{34}$ c. $\frac{1}{3}$, $\frac{5}{11}$ d. $\frac{2.5}{10}$, $\frac{2}{17}$

38.
Out of the options given, check which pair of ratios does not form a proportion.
 a. $\frac{1}{7}$, $\frac{6}{42}$ b. $\frac{2}{4}$, $\frac{18}{36}$ c. $\frac{7}{28}$, $\frac{2}{8}$ d. $\frac{9}{5}$, $\frac{21}{37}$

39.
Determine which pair of ratios forms a proportion.
 a. $\frac{8}{14}$, $\frac{3}{17}$ b. $\frac{4}{13}$, $\frac{2}{7}$ c. $\frac{3}{7}$, $\frac{12}{19}$ d. $\frac{2.5}{10}$, $\frac{4}{16}$

40.
Given the pair of ratios:
(i) $\frac{9}{45}$, $\frac{8}{40}$ (ii) $\frac{7}{56}$, $\frac{5}{40}$
(iii) $\frac{9}{36}$, $\frac{7}{25}$ (iv) $\frac{2}{14}$, $\frac{3}{21}$
Find the pair which does not form a proportion.
 a. (iv) b. (iii) c. (i) d. (ii)