Answer:
8
Step-by-step explanation:
The ratio is 3/2 boys/girls
if we call the expression as x there would be a total of 5x girls and boys
3x of this is boys
3x = 12 so x is 4 then 4×2 = 8 girls
Answer:
R 694.4
Explanation:
simple interest = → → R 134.4
where p refers to principal, r refers to rate, t refers to time.
total money:
invested money + simple interest
R 134.4 + R 560 → R 694.4
She made 6 patches of cookies because if she uses 1/8 per batch and 3/4 x2 equals 6/8 , she made 6 batches.
$21.00
let the original price = 100%
then the discount price = 100 - 15 = 85%
divide $17.85 by 85 to obtain 1% then multiply by 100 to obtain original price.
original price = $17.85 × = $21