Ratios
99:110
9:10
836.66%
8.3666
50% of 124
62
A jacket costs $48 and is on sale for 25% off. What is the sale price?
$36
A recipe uses 2 cups of flour for every 3 cups of milk. If you use 8 cups of flour, how much milk do you need?
24
36:144
0.882%
0.00882
30% of 120
36
A video game costs $60. Sales tax is 7%. What is the total?
$64.20
60 : 84 : 105
20 : 28 : 35
350:1400
1:4
12% + 44.5% as a decimal
75% of 56
42
A restaurant bill is $32. You leave an 18% tip. What is the tip, and what is the total?
Tip $5.76, total $37.76
You have a "20% off" coupon and a "$10 off" coupon for a $60 item, and you may use both. Which order saves you more money? By how much?
20% off
391 : 437
17:19
34234%
342.34
4% of 95
3.8
A bike costs $240. It's 15% off, and sales tax is 8%. Find the final total.
$220.32
$240 × 0.85 = $204,
204 × 1.08
Store A sells a tent for $90 with 20% off. Store B sells the same tent for $80 with 10% off, plus a $5 coupon after the discount. Which store is cheaper, and by how much?
Store B, by $5.
A = $72; B = $72
$72 − $67 = $5
168 : 252
2:3
1248.683
124868.3%
45% of 77
34.65
Headphones cost $75 with 30% off and 6.5% tax. Find the final total, rounded to the nearest cent.
$55.91
$52.50 × 1.065 = $55.9125
A workshop has two batches of green paint.
The two batches are poured into one drum and stirred.
(a) Find the ratio of blue to yellow in the combined mixture, in simplest form.
: blue = 15 L, yellow = 20 L