Problems Using Equivalent Ratios
Interactive practice questions
Consider the ratio $5:8$5:8.
a
If the following ratio is equivalent to $5:8$5:8, find the missing value.
$\editable{}$ : $32$32
b
If the following ratio is also equivalent to $5:8$5:8, find the missing value.
$400$400 : $\editable{}$
Easy
< 1min
Kathleen and Luke invest money in a business in the ratio $3:10$3:10.
Easy
1min
At a sporting event, the ratio of security personnel to spectators is $1:180$1:180. If $34200$34200 spectators attend the event, how many security personnel will be required?
Easy
1min
Two kinds of pine trees, type A and type B, are planted in rows. In each row the ratio of type A to type B is $9:8$9:8. Altogether, $180$180 of type A are planted.
How many of type B are planted?
Medium
1min
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