Answer:45
Step-by-step explanation:
Turn that percent into a decimal and multiply that by $7.50. 0.04(7.50)=.30. Add that to the original value. 7.50+.30=7.80. It will be $7.80 after a 4% sales tax.
David would have to save for 7 weeks in order to have enough money for his bike.
<span>Sphere Volume = </span><span> 4/3 • <span>π <span>• r³<span>
Small Balloon = </span></span></span></span><span>4/3 • 3.14<span> <span>• 3^3
</span></span></span><span>Small Balloon = 37.68 cc
Large Balloon = </span><span>4/3 • 3.14<span> • 6^3</span></span>
Large Balloon =
<span>
<span>
<span>
904.32
</span>
</span>
</span>
cc
<span>
<span>
<span>
<span>
Difference = (904.32 -</span></span></span>37.68) = </span>
<span>
<span>
<span>
866.64
</span>
</span>
</span>
cc
The larger balloon has
<span>
<span>
<span>
866.64
</span>
</span>
</span>
cc more water than the small balloon.