Answer:
Grade 8 Worktext-Science Quarter 3
Answer:
$5.25
Step-by-step explanation:
If the friend tripled the first purchase and subtracted twice the second purchase, he would have the cost of 3·8-2·5 = 14 notebooks. 7 notebooks would cost half that amount:
(3·$11 -2·11.25)/2 = $5.25 . . . . . cost of 7 notebooks
73 is your answer do 73 time 3, 3*3=9 put the 9 down then 7*3=21 so the answer is 219 which is the number your dividing by. Always times your answer by the number smallest number and if it equals the biggest number in that problem that means your correct. So the answer is 73. Hope this helps.
Tips = 15.50 - 12.50 = 3.00
Covert the tips to percentage
3 ÷ 12.50 x100% = 24%
It is more than 20%
Answer:
divide
7 / 6 = 1 r 6
1 / 6 cannot be done so we multiply by 10
10 / 6 = 1 r 4
4 / 6 cannot be done so we multiply by 10
40 / 6 = 6 r 4 so it is repeating
the answer would be 1.466666666
There is a decimal point because we have to divide the by 10 to cancel it out
Step-by-step explanation: