1
What is the formula for simple interest?
SI=P×r％×t
20% of 130
26
What is the decimal for 6/8
0.75
Round this number to the nearest TENTHS place: 27.1744
27.2
What is the decimal for 3/5?
0.6
Find the simple interest paid Principal $300 rate 6% time 4 years
72
What is the selling price of
Original price of socks: $5.00
Discount: 10%
$4.50
Round this number to the nearest TENS place: 89
90
What is the fraction for 0.083
1/12
translation：compound percentage
复合百分数
Calculate the simple interest for the following information.
P = $2300
r = 6%
t = 6 months
69
What fraction is for 0.875 in simplest form?
7/8
Gary is at the music store where they are having a 20% off sale. If he buys a guitar for $32, what was the original price before the sale?
$40
Round this number to the nearest HUNDREDTHS place: 65.461
65.61
At the end of one year, what would the total savings be on a principal of $500 at 4% annual interest, compounded annually?
$520.00
Round this number to the nearest TENTH place: 240.45
240.5
Your new phone will cost you $899 to purchase. Verizon charges 11% tax. How much will your phone cost you?
$997.89
What is the compound interest with a principal of $28,600 at 7.9% for 2 years?
$4,697.29
In a sale the price of a sofa is reduced from £2500 to £2290 . What is the percentage decrease?
8.4%
In January, a puppy weighed 4kg. Three months later, the same puppy weighed 5kg. What was the percentage increase in the puppy’s weight?
25%
An amount of money is increased by 8%, then decreased by 15%,then increased by 20%.
Write the multiplier for this percentage change.
1.1016
Marcus buys a new computer. In the first year,the value of the computer decreases by 25%.In the second year, the value of the computer decreases by 16%.Marcus pays $840 for his computer.What will be the value of his computerafter two years?
$529.2
A bottle has a capacity of 1.2 litres correct to the nearest 0.1 litres.For the capacity of five bottles, write
1.the lower bound
2.the upper bound
3.an inequality to show the range of values.
1. 5.75
2. 6.25
3. 5.75≤C＜6.25
A shop sells bags of rice that have a mass of 500g measured to thenearest 10g.
For the mass of one bag of rice, write
1.the lower bound
2.the upper bound
3.an inequality to show the range of values.
1. 495
2. 505
3. 495≤M＜505
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