ToonGamesToo
26.02.2021 •
Mathematics
pleeeeeaaaasseeeeee help i will mark brainlist and 5 stars if you get them all correctt pleeeeeaaaaaasssseeee
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Ответ:
1a. A
1b. C, D, H, J
2. 20580 meters
3. A
5. 59
Step-by-step explanation:
Ответ:
Step-by-step explanation:
Let say n the number of pennies in the jar.
n is a multiple of 7 : n=7*k
n-1 is a multiple of 2,3,4,5,6,8 so a multiple of the lcm= 120
n-1=120*t
n-1=120*t
n=7*k
120*t=7k-1
7k=120*t+1
The least number of pennies is 721 (when a=0)
Proof:
n-1=720
720/2=360
720/3=240
720/4=180
720/5=144
720/8=90
721/7=103