4/10= 8/20, 2/5. For 8/20 u multiply 2 times and for 2/5 u divide by 2
Hope that helps u
3(x+6)>8-(x-7)
3x+18>8-x+7
2x+18>15
2x>-3
X>-3/2
Answer:
a. 64 x ($)8 = ($)512
b. 45 (members) / 9(weeks) = 5 (members per week)
Answer:
42
Step-by-step explanation:
Yes, you are right.
6 weeks * 7 days in a week.
so 7 days in all 6 weeks is 42 days.
No cause if I helmet cost $42 , 7 helmets will be $294.
$42 = 1 helmet
$? = 7 helmets
cross multiply = 42 × 7 = $294