Answer:
(I think) it's 10 cms because total perimeter is 30 centimeters so there will be 5 on two sides making 10,30-10=20 and 20/2=10 which makes a total of 30 (5+5+10+10)
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
Answer:
$3.96.
Step-by-step explanation:
3 cost $0.99, so 12 packs would cost 12/3 = 4 times as much.
0.99 * 4 = 3.96.
12 packs would cost $3.96.
Hope this helps!
Do 6/30 and you will get .2lbs a day.