-53 ≥ -3(3z + 3 ) + 3z
⇔ -53 ≥ -9z - 9 + 3z
⇔ -53 ≥ -6z - 9
⇔ -44 ≥ -6z
⇔ z ≥ 22/3
Answer:
If i am correct 0.35 per pint.
Step-by-step explanation:
As there is 2 pints in a quart you multiply 2x2 ( the amount of quarts) to get 4. Then you divide the price of $1.40 by 4.
Answer:
1663
Step-by-step explanation:
Answer:
Tony = 31 Billie = 17
Step-by-step explanation:
17 x 2 = 34
34 - 3 = 31
17(billie's age) + 14(years that Tony is older) = 31
Answer:
B. (2, 7)
Step-by-step explanation:
(1) 5x + 3y = 31
(2) 2x + 3y = 25 Subtract (2) from (1)
3x = 6 Divide each side by 3
x = 2 Substitute in (2)
=====
4 + 3y = 25 Subtract 4 from each side
3y = 21 Divide each side by 3
y = 7
The solution is (2, 7).
=====
<em>Check:
</em>
(1) 5×2 + 3×7 = 31
10 + 21 = 31
31 = 31
(2) 2×2 + 3×7 = 25
4 + 21 = 25
25 = 25