At 2 minutes, the heart would beat 140 times.
700/10=70
140/70=2
Answer:
3 1/2 small pizzas
Step-by-step explanation:
1/5 = 1 pizza
7/10 = x pizza
7/10 = 3.5/5
3.5/5 = 3.5 pizzas
You will have to take 3x common from both terms and your ans should look like this,
3x(9x^2-4)
Answer:
538
Step-by-step explanation:
if you round the hundreth place up, the tenth place would be 1. However, rounding that would give you 0 as it's less than 5. Therefore, all decimal places would become 0, and that only leaves 538.
Answer:
Decreased by 20%.
16 lbs is 80% of 20 lbs.
Step-by-step explanation:

y × 20 = 16 × 100
20y = 1600
20y ÷ 20 = 1600 ÷ 20
y = 80
100% - 80% = 20%