Find the equivalent ratio for 32:__=12:24
2 answers:
Answer:
32: 64= 12 : 24.
Step-by-step explanation:
Given : 32:__= 12 : 24.
To find : Find the equivalent ratio.
Solution : We have given 32:__= 12 : 24.
Let the number be x .
32 : x = 12 : 24.
.
On cross multiplication
32 * 24 = 12 *x .
On dividing both sides by 12 .
x = 32 * 2.
x = 64.
Then ratio : 32: 64= 12 : 24.
Therefore, 32: 64= 12 : 24.
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Answer:
A dress originally costs $120
Step-by-step explanation:
To find the original cost of the dress, we will follow the steps below;
let x represent the original cost of the dress
75% of x = $90
× x = $90
= $90
MULTIPLY both-side of the equation by 100
× 100 = $90×100
At the right-hand side of the equation, 100 will cancel out 100, leaving us with just 75x
75x = $9000
DIVIDE both-side of the equation by 75
75x/75 = $9000/75
At the left-hand side of the equation 75 will cancel-out 75 leaving us with just x
x= $9000/75
x = $120
A dress originally costs $120