Answer:
17
Step-by-step explanation:
x+3 ≤ 20
Subtract 3 from each side
x+3-3 ≤ 20-3
x ≤ 17
X must be less than or equal to 17
Answer:
n= -5
Step-by-step explanation:
B. V=9
Multiply it out, then subtract 99 from both sides, then divide by 11
Answer:
1000 Boys
Step-by-step explanation:
Substitute 510 and Keep on trying numbers untill you reach 10,000 mats in 10 days.
(5.4×10^2)(2.5×10^8)
= (5.4 x 2.5) (10^2 × 10^8)
= 13.5 x 10^10
= 1.35 x 10^11