Answer:
Width of 10 cm, length of 22 cm
Step-by-step explanation:
P=2L+2w
64=2(12+w)+2w
64=24+2w+2w
40=4w
10=w
L=12+w
L=22cm
Answer:
Step-by-step explanation:
15x because its not multiplying or dividing or adding and subtracting
Answer:
4.50
Step-by-step explanation:
i hope i got it correct i'm in middle school
Answer:
2 1/10=
Answer: 2.1
Step-by-step explanation:
68/80 is a fraction
34/40
17/20 is simplest form of fraction
percent means parts out of 100 so x/100
20 times 5=100 so
17/20 time 5/5=x/100=85/100 or 85%
decimal is normally a power of 10 so
85/100=0.85